look up any word, like fleek:
 
1.
Expertly jacking off.
Guy 1:Man, I think steve's masturbating again.
Guy 2: From the sound of it, he ain't just masturbating, he's MASTERbating.
by Sir Fizwheel Humperdink September 22, 2007
 
2.
a common mispelling of the word "masturbating", which is the ING form of wordmasturbation]
1337_g33k: Im masterbating to porn
Normal person: Good to know.
by Anonymous March 15, 2003
 
3.
when a guy gropes his penis thinking about a girl, and then shoots out the substance inside of the penis
one of my friends was really horny and so he masterbated and jizz came out...
by Master at sex February 20, 2005
 
4.
ppl who cant spel b-cuz day do dis to much
ne u cyber? i "masterbate"
by Wigga May 09, 2003
 
5.
when you wank huh huh huh
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 08, 2003
 
6.
when a male holds his penis and moce up and down
by kleo =) July 12, 2003