mastur 

One who masturbates.

Tomtheloser is a mastur, although you'd be lucky to catch him admitting it.

mastur by Eroticus Prime November 26, 2004

mastur 

One who takes great pleasure in giving themselves great pleasure.

I am a mastur. But then again, so are you.

mastur by Tom The Loser November 27, 2004

Mastur 

One who has mastered the holy act of Masturbating.

dude, Jimmy is such a mastur

yah i know, i'm his roomate

Mastur by slarfuggle June 10, 2008

mastur cheef 

a general dumbass who smokes cereal and "sucks at halo".
however he has created his own language, known as Cheef Speak.
an example of this is: "why dun u smoek my poel?" or "i r coming 4 u tod lololololol"
Not to be confused with internet speak

see also: arby n' the chief

"y hello thar, i r mastur cheef! lolololol"

mastur cheef by A Sneaky Man June 6, 2009

Mastur-bate Room 

What the master bedroom becomes when the wifey is away

... and this folks, the master bedroom, is now the mastur-bate room after my divorce.

Mastur-bate Room by Ram1975 November 16, 2007

mastur rash 

When a guy jacks off or (masturbates) too much he tends to develop a rash on the penis that can be very painfull.

a better way to describe it would be a mastur rash

"I like to use lube when i beat my meat, if i dont i'll get a mastur rash"

mastur rash by cheeze kush 420 September 26, 2009

mastur blowjob 

Masturbating in someones mouth while tip is inserted into mouth of another to increase pleasure.

She gave me a mastur blowjob, she blew me while I jacked off in her mouth it felt amazing

mastur blowjob by ImKevin November 2, 2014