1 definition by Jdogg182

A Champion,King Shit, A Jameson is awesome in every way possible,He has a big penis and he is not afraid to use it,and a person who doesnt take shit from no one,and has no problem opening a big can of whoop ass on anyone,and also loves pussy and titties.
Nick pulled a Jameson yesterday by punching that faggot right in his tooth.
by Jdogg182 December 18, 2008
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