premejac 

shorthand for premature ejaculation

Peekay: SORRY FOR PREMEJACCING. I can't help it... I'm foreign.

premejac by SirBlondie December 20, 2008

Premejacker

Short for premature ejaculator.

Kate: He was... a premejacker.
Stef: And you stayed with him for 10 months???
Kate: I'm honestly not sure how I endured it. Never again...

Premejacker by OmniFox13 August 11, 2014