Phrase taken from the 2004 movie "The Girl Next Door." Can be used when disscussing sexual exploits, excessive drug usage, great plays in sports, a good book, and nearly anything. That's What A Man Does can be said at anytime when describing nearly anything that a man would do. Also, That Is So NOT What A Man Does can be used as a phrase of discontent towards something your buddy has done that offends you (ugly chicks, forget to pay you back for beer, etc.)

The definition for "That's what a man does" entered by Burner is perfect.

the phrase itself derived from the Girl Next Door...
-There is this really hot girl, the girl next door
=So did you bang her yet?
-Yeah, right I banged her (sarcasm)
because "THATS WHAT A MAN DOES."

Lines that are associated with "what a man does":

"All I wanna do is bang hot chicks" (girl next door)
"We are all going streaking...through the quad to the gymnasium" (old school)
"F#CK IT, I'll squeeze one" (GND)
"We can't lose our composure" (OS)
"You got to use my girlfriend, shes so good, wanna give her a throw?" (GND)
"I guess I am a little freaked out about only having sex with one person (points to his wife) for the rest of my life" (OS)
"How's the rack?" (GND)
"Do you know how lucky you are to land someone as sexually enlightened as Hedi..look Columbus wasn't looking for America when he went sailing away, but he found it and that sure as heck worked out for the rest of us" (0S)
"I would have nailed her right there and then"(GND)

FOR INFO ON HOW TO DO WHAT A MAN DOES: Learn from anything that a man has done in the Girl Next Door (especially giving her Bourbon to get her drunk for sex) and Old School. These are textbook examples of "what a man does."

Considering nowadays you can't swing a dead cat without hitting someone who will say "that's what she said," you now have the most appropriate response to it ever. "And I made her say it." Perfect. Presto. It just works. Not only does it diffuse an annoying "thats what she said" moment, but it also puts the ball into your court permanently, because the idiot saying it really doesn't have a response to counter it. Go on, don't be shy, try it today! It's risk free! Unless of course you're stupid.

a jokester; someone who is constantly pulling a "weenie move". someone who does things that are funny, yet inconvienent enough to get somone annoyed.

Used to call someone a nuisance, someone that bugs allot. Mosco in spanish literally means "Mosquito", a very annoying bug that constantly follows you where ever you go, well thats what a Mosco does...he/she will tag along and bug when and where theyre not wanted.

Verb; The dance including spreading your legs, bending your knees, shaking, and kicking that a man does when his genitalia adhere(stick) to his leg, and does not want to get noticed by nearby parties while detaching said genital. Men who do this dance usually feel like they've gotten away with something, but they usually attract more attention than they would have if they had done the deed with their hand without spasming.

noun: 1. A guy who is a people pleaser and always down to do something nice for anybody. But is easily influenced by pretty girls into doing something mean. 2. A boy version of Gretchen Weiners. 3. A guy who pulls pretty chicks by doing their dirty work. 4. A dude whose road dog status for pretty girls.