1. To forcefully penetrate
one's fingers into the unwilling anus
of an individual of the same sex and similar age.
2. Similar to 1, but with receiver's cell phone
on vibrate. After penetration, individual on giving end calls said victim's inserted phone.
Named for the act for which a handful of Blackfoot High School (Blackfoot, Idaho) athletes were accused and tried.
Dude, I heard he totally Blackfoot Highed that kid. Right on!
If you don't give me back my sandwich, I'm going to Blackfoot High you.
If you Blackfoot High me again, I'm going to go postal