When you headshot someone with your semen in combat, as a tactical manuver to assert dominance.
"I gave the guy in the paintball game a gunless headshot after i ran out of ammo"
This term applies to girls that post only headshots or have primarily photos of them above the shoulders. This is because they are overweight and are trying to hide it from potential matches.
I met up with Becky from Hinge last week, turns out she was a real Headshot Hippo