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12.
The ass on a man which is out of proportion to his body, giving him the appearance of some junk in the trunk, but not in a good way.

Have you seen Laura's boyfriend lately, his man-ass has gotten bigger.
by Karen K. August 22, 2007
3 15
 
1.
A thing or place that smells like a man's ass
That locker room smells like man ass.
by Mrs. WAG January 20, 2008
44 19
 
2.
a man who is a GREAT piece of ass. Also, a man who has a backside that could melt butter from across the room.
"He is a great piece of man ass." or "This place is filled with great specimens of man ass." or "look at his man ass."
by C-Gizzle October 25, 2007
40 21
 
3.
The extremely ripe scent of sweat & bum juices, located between the crack of someones ass.
"Wow, I've got some major man ass going on."
by Tudie December 04, 2005
27 14
 
4.
A term used ot describe a homosexual's dire love for the male backside.
"Hey, some faggot scribbled 'MANASS' in the port-a-shitter. He must be looking for some butt sex."
by Big Nose Jewboy November 11, 2006
24 16
 
5.
Occurs when you sit on a pubic or office toilet that is gender specific for men and the toilet seat is warm, hot or sticky from the man that just left.
Normally an unused office toilet is cold to the touch but a man ass toilet seat is warm, hot, or sticky.
by ecabrera1 September 11, 2008
12 5
 
6.
Any ass that appears to be that of the human male. Mostly used as a term for a female having a narrow, squarish, semi-flat buttocks.
Lindsay Davenport, apart from being an incurable swamp donkey, has a most egregious case of manass.
by pdad September 12, 2005
12 5
 
7.
Combonation of words used when watching a movie with female nudity, but end up seeing unexpected male butt.
1. "Ohh my god! I did NOT need to see that man ass!"

2. "Wow! dats a lotta man ass!"

3. "Dude, Man ass is sooo gay."
by thedoodler August 17, 2003
25 25