Semen Siphon 

a whore

Joe: you are a semen siphon

Sally: yeah

Semen Siphon by spips September 18, 2009

Semen Syphon 

A girl who syphons semen into her. aka a megahoe.

That chick has done like a bazillion people this year. She is such a semen syphon.

Semen Syphon by Such ma jewce April 23, 2009

Semen Syphoner 

A person who sucks semen from balls and/or dick.

You know that girl Jenna? She's such a semen syphoner.

Semen Syphoner by Salliemae November 6, 2015