v. to flee from an area, typically to evade trouble
Example 1
Guy 1: "Yo man, you got the goods?"
Guy 2: Hell yeah, give me just on sec my man."
*police siren*
Guy 1: "Oh shit! It's the fuzz! Lets shag ass!"

Example 2
Guy 1: "Dayyyummm! Look at that fine bitch comin'this way."
Guy 2: Nigga, dats my ex! The one I was tellin' you bout who won't stop callin' my house. Lets shag ass!"
by Purple Turkoglu Also April 18, 2013
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the act of shaging someone's ass
If you shag ass her, then shed be waddling for days.
by Theribus September 24, 2005
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A girl who openly flirts with men and has a very active sexual life.
Dude 1 : Yo, I have a girlfriend
Dude 2 : Who is she?
Dude 1 : Ciara
Dude 2 : Yo man, I heard that girl is a real shag' ass
by DirtyMome December 26, 2011
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A slang word that is used to describe the act of penetrating the anal cavity with a male penis or other penetrative (usually sexual) devices e.g. buttplugs and dildos.
That young man so loves to ass-shag that he ejaculates instantaneously in his underpants whenever he sees his girlfriend bending over!
by CHYX December 27, 2007
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