You and/or one or more of your gay little buddies, that like to give/take it up the ass regularly
Damn son, you showed him who the ass master around here is.
by CAT_MARK_1 August 21, 2007

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ok, well u know when u're walking in the shops, or just just walkin in general, with lots of people around... sometime u get those guys walking RIGHT behind u, right up your ass, they want to pass, but they don't say anything. that's an ass master!

there's an ass master behind us, lets let him pass
by SpotMaster August 29, 2006

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(slang) One who is master of all things ass-related.
My boss is being such an ass master today!
by Robert Turner January 29, 2003

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Carlos D. of Interpol is a prime example of an ass master.
Wow, you are such an ass master Carlos! lol
by Crash And Burn March 03, 2005

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someone who is the ruler of the assholes. they try to act like their the most awesome person ever, but theyre nothing more than an ass master
"John tried to take my girl from me by doing his dumbass disco rountine"

"what an assmaster"
by Sam Baker May 13, 2006

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The person who owns your ass.
Jake says to margie, "Hey you're a bitch!"

Margie says back, "Go report back to your assmaster!"
by Alli-BABA June 28, 2010

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a random insult, a funny insult, a gay person?
Ben Afleck is a ass master
by jizzle dizzle October 14, 2005

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