1 definition by NITERAT

Top Definition
The type of person who cares only for their own needs and wants. One who thinks they will get their way by being a bigger pain in the ass than the next person. Origin: approx. 6-7 yrs in mainstream culture via The "South Park" movie
"That guy just cut in line for the bathroom!" "What a Cockmaster"
by NITERAT April 25, 2005
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