What is Poonslayer?
1)One who slays poon, or engages in the act of rough sex. The verb form is "to poonslay."
2)An exclamitory remark made in celebration, usually whilst playing a videogame.
"That guys such a poonslayer. I should get as much poon as him."
"Yeah, except you're a pussy, so no."
"POONSLAYER!" (blows something up electronically.)