Someone who is incredibly greasy or oily and has not been in the shower for quite some time. Some say that a greaser can be dripping with grease. Quite frankly it is disgusting.
by Cigmonster November 30, 2016

A type of person who greases their hair back in style of the 1950s greasers listens to RockaBilly kinds of music and are the heppest cats you know
Guy1:hey you know that greaser?
Guy2:you mean Johnny.
Guy1:yeah I'm gonna beat his ass!
2 hours later
Guy2:what happened too you?
Guy1:he beat my ass 6 ways til Sunday.
Johnny:dont never show yo face around here anymore ya dig?
Guy2:you mean Johnny.
Guy1:yeah I'm gonna beat his ass!
2 hours later
Guy2:what happened too you?
Guy1:he beat my ass 6 ways til Sunday.
Johnny:dont never show yo face around here anymore ya dig?
by The heppest cat you know March 14, 2019

Someone who is greasy and or slips when walking because of their grease level. They don't have vains like a normal person they have oil pipes instead.
Tim: What are you doin?
Albert: Oh just slippin around you know?
Tim: No I'm not a greaser I wouldn't know!
Albert: Oh just slippin around you know?
Tim: No I'm not a greaser I wouldn't know!
by MillerSpeed October 8, 2010

Flatulence resulting in an unintentional explosive discharge of clear "greasy" mucous
from the anus.
from the anus.
by Bender B R February 12, 2009

by Aitrop January 22, 2006

The act of taking a wet mushy dump on ones chest, then rubbing your hands in it. Finally proceeding to slick back your hair with the hot steamy poop.
by enjayrolla February 12, 2010

by Whoppingmelons December 19, 2014
