Rat-fuck

The act or acts of completely ruining someones day, life, or overall belief of wellbeing.

Refer to "Cleveland Torpedo";
I am gonna rat-fuck your house when we party; I rat-fucked this girl the other night and left her stranded out in the middle of nowhere with my cum still in her hair; Driving by an Iraqi checkpoint at night I decided to rat-fuck them with my spotlight, thus night blinding them and illuminating them for the snipers