You really, REALLY don't care about what someone just told you.
Brody: Hey, I just found this really funny video I wanna show you, it's about this-

Ryan: I don't GIVE two and a half shits, alright?!
by MCGONN June 18, 2009
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A mathematical equation used to find the youngest age a person can date without being considered a disgusting, cradle robbing freak. (A/2)-7=Y, where A is your age and Y is the youngest you should date.

Conversely the rule can be inverted to find the oldest age a person should date. 2(A-7)=O, where A is your age and O is the oldest you should date.
John is 26 and dating a 20 year old named Kate, (26/2)+7=20. Their relationship satisfies the half your age plus 7 rule.

Kate is 20 and dating a 26 year old named John. 2(20-7)=26. This relationships satisfies the inverse of the half your age plus seven rule.
by Trojan91 July 18, 2012
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2 beer half chub queer

when your drinking at booty's house and you get drunk off 2 weierbacher and your friends are making fun of you but you swear to them that you had more then 2 beers, you also get a half chub when a small skinny ass girl rubs against you.
what are you talking about?if you play edward 40 hands youll be lit for a week you 2 beer half chub queer.
by 2 beer January 04, 2004
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Combining a reference to two and a half men and the fact that you care so little about what the other person's saying.
-Hey, guess what I was doing last night?
-You know what? I don't give two and a half shits!
by Deathgleaner May 24, 2010
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3/4 half high off nothing

a fake high, usually brought on by considerable amounts of caffeine, an awesome video game, a movie marathon, and 3, 5, and 7 a.m. escapades without sleep, making everything funny, awesome and crazy.
1:58 a.m.
Blake: But why is there an olive in the cocoa!
3:12 a.m.
Zac: Time for a Wegmans run. We should pause Terminator 2 to get some Full Throttle.
5:27 a.m.
Evan: Yo! Did you see that opossum.
7:45 a.m.
All: Duuuuu...uuuude We are so 3/4 half high off nothing!
by facespacer August 10, 2008
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A person who is extremely hung over after a night of heavy drinking.
I woke up this morning and was shaking like a half jerked-off dog, shouldn't of had that last shooter!
by MichaelKB December 12, 2005
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