a. someone who pisses you off so badly there is no result but to call them a semenface. A worthless person.

b. after ejaculating onto someone's face it is appropriate to call them a semenface.
a. God you are so damn annoying, shut the hell up semenface.
b. Awww that felt good, ha, look at you, you semenface.
by juggle_boy January 18, 2007
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