'for that ass' means 'for you' (just another way of saying it). It has nothing to do with the actual body part, it just means I'm giving you something.
by funny girl t.o. November 12, 2008
Get the "for that ass"mug. 
1. It ain't ass until you feel the heat.
2. Pedro walked his ass to the watering hole.
3. Bob is an ass.
2. Pedro walked his ass to the watering hole.
3. Bob is an ass.
by Paul Wall July 27, 2003
Get the assmug. #ass is a code word created by Hannah mullane.... it stands for After Sex Selfie ( a secret way to tell you friends you just had sex)
by Mullane101 August 30, 2017
Get the #assmug. 
1. Of or relating to the ass or the region thereabout.
2. Acting, smelling, tasting, looking, feeling, or sounding in a manner that resembles that of an ass, or very badly.
2. Acting, smelling, tasting, looking, feeling, or sounding in a manner that resembles that of an ass, or very badly.
by Tenkin October 17, 2003
Get the assfulmug. another definition for sleeping with a female; having sexual intercourse with someone. Not to be directly associated with the anus or rectum.
by Johan of Seminole County August 25, 2006
Get the assmug.