Guy 1:Man, I think steve's masturbating again.
Guy 2: From the sound of it, he ain't just masturbating, he's MASTERbating.
Guy 2: From the sound of it, he ain't just masturbating, he's MASTERbating.
by Sir Fizwheel Humperdink October 5, 2007
 Get the masterbatingmug.
Get the masterbatingmug. by Anonymous March 15, 2003
 Get the masterbatingmug.
Get the masterbatingmug. when a guy gropes his penis thinking about a girl, and then shoots out the substance inside of the penis
by Master at sex May 13, 2005
 Get the masterbatingmug.
Get the masterbatingmug. ne u cyber? i "masterbate"
by Wigga May 9, 2003
 Get the masterbatingmug.
Get the masterbatingmug. "Dude, I saw a porn film in which a bitch was masturbating so well, that I think she had the degree of Master of Masturbation! She was masterbating herself!"
by Gaboantsa December 2, 2016
 Get the masterbatingmug.
Get the masterbatingmug. by Fuck.me.daddy December 16, 2016
 Get the masterbatingmug.
Get the masterbatingmug. when you softly caress your boner when thinking of or in front of a girl/boy (you fucking gays)until you proceed to "shoot the load"
by sir wankalot May 8, 2003
 Get the masterbatingmug.
Get the masterbatingmug.