One who collects semen to give to sperm research
Doctor 1: We need a trustworthy semen collector in order to assure further research.

Doctor 2: I heard Jack is known worldwide for his semen collecting abilities.

Doctor 1: I will look into hiring him.
by Nigger licker October 23, 2013
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A semen collector is someone who spunks on a piece of clothing instead of using a tissue or condom to clean up. This are usually young people who can't hold it in
"Agit is such a semen collector no wonder why he has white stuff coming from his pants
by Justhereforjokes September 19, 2016
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