Top Definition
Verb. To prematurely ejaculate;
the act of prematurely ejaculating.

Noun. Semen, when premature ejaculation has occurred.

See: premature ejaculation; two pump jump; minute man.
Verb - The scene when he cries after he premajax is funny!

Noun - Wipe your premajax off me.
by Jason Sander January 26, 2009
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