Much like Boom headshot of FPS Doug fame, Splat cumshot shows that one has achieved total dominance over someone else much like in the manner of ejaculating their face. Degrading.
Pwnee: ofmg u stoopid faygit i kno u uze hax! im guna tel da admin on u n get u band!!111eleventyone
Pwner: Splat cumshot, kthxbai.