1 definition by That nice guy.

A boy who roles with the cool kids but is actually hated by every single one in that group, he looks like a sausage and he will always be single , he masturbates over sexy posters every night, if you know a jack you'll probably be stalked by him so watch your back buddy .
Jackpin
He masturbates over sexy posters.
by That nice guy. September 1, 2018
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