1. If you've known a guy for more than 24 hours, his sister is off limits forever! Unless you actually marry her.
2. When questioned by a friend's girlfriend, you need not and should not provide any information as to his whereabouts. You are even permitted to deny his very existence.
3. Unless he murdered someone in your immediate family, you must bail a friend out of jail within 24 hours.
4. A best man's toast may not include any of the following phrases, "down in Tijuana", "one time when we were all piss drunk", or "and this girl had the biggest rack you ever saw".
5. You may exaggerate any anecdote told to your friends by 50% without recrimination, beyond that anyone within earshot is allowed to yell out "bullshit!". (exception: when trying to pick up a girl, the allowable exaggeration is 400%)
6. Under no circumstances may two men share an umbrella.
7. The minimum amount of time you have to wait for another man is 5 minutes. The maximum is 6 minutes. For a girl, you are required to wait 10 minutes for every point of hotness she scores on the classic 1-10 scale.
8. Bitching about the brand of free beverages in your buddy's refrigerator is forbidden. But gripe at will if the temperature is not suitable.
9. A friend must be permitted to borrow anything you own - grill, car, firstborn child - within 12 hr notice. Women or anything considered "lucky" are not applicable in this case.
10. Falling on a grenade for a buddy (agreeing to distract the skanky friend of the hot babe he's trying to score) is your legal duty. But should you get carried away with your good deed and end up getting on the beast, your pal is forbidden to ever speak of it.
11. Do not torpedo single friends.
12. On a road trip, the strongest bladder determines pit stops, not the weakest.
13. Before dating a buddy's ex you are required to ask his permission. If he grants it, he is however allowed to say, "man, your gonna love the way she licks your balls"
14. Women who claim they "love to watch sports" must be treated as spies until they demonstrate knowledge of the game and the ability to pick a Buffalo wing clean.
15. If a mans zipper is down, thatís his problem, you didnít see anything!
16. No man shall ever be required to buy a birthday present for another man. (in fact, even remembering your best friends birthday is optional)
17. You must offer heartfelt condolences over the death of a girlfriends cat, even if it was you who secretly set it on fire and threw it into a ceiling fan.
18. While your girlfriend must bond with your buddies girlfriends with in 30 minutes of meeting them, you are not required to make nice with her gal pal's boyfriends- low level sports bonding is all the law requires.
19. Unless you have a lucrative endorsement contract, do not appear in public wearing more than one Nike swoosh.
20. When stumbling upon other guys watching a sporting event, you may always ask the score of the game in progress, but you may never ask who's playing.
21. If your girlfriend asks to set your friend up with her ugly, whiny, loser friend of hers, you must grant permission, but only if you have ample time to warn your friend to prepare his excuse about joining the priesthood.
22. Only in a situation of mortal danger or ass peril are you permitted to kick another member of the male species in the testicles.
23. Unless you're in prison, never fight naked. This includes men who aren't wearing shirts. If your buddy is outnumbered outmanned, or too drunk to defend himself, you must jump into the fight. Exception: if during the past 24 hours your friends actions have caused you to think "what this guy needs is a good ass wuppin", in which case you may refrain from getting involved and stand back and enjoy.
24. Friends donít let friends wear speedos. Ever. Case closed.
25. Fives must be called at all times when getting out of your seat. If not, your seat is up for grabs. However, "house rules" may come into effect, in which case it is left up to the owner of the seat.
26. Shotgun can be called on anything where a shotgun applies., as long as you are in eyesight of the object, or it is at a reasonable time.
27. When picking players for sports teams it is permissible to skip over your buddy in favor of better athletes- as long as you donít let him be the last sorry son of a bitch standing on the sideline.
28. If you ever compliment a guy's six pack, you better be talking about his choice of beverage.
29. Never join your girlfriend in ragging on a buddy of yours, unless she is withholding sex, pending your response.
30. Phrases that may never be uttered to another man while lifting weights:
"Yeah, baby, push it!"
"Come on, give me one more, harder!"
"Another set and we can hit the showers"
"Nice ass! Are you a Sagittarius?"
31. Never hesitate to reach for the last beverage or pizza, but not both. Thatís just mean.