slaps someone else on the side or the back
of that person's head. The action can be made
easily by swinging your arm, striking the back
of that fool's head; sometimes you can snap
your wrist in mid-swing to get a better sting
on that idiot's dome. Best applied to dumb-asses
and fucknuts who just WON'T learn.
Also, it was a song at one time in the 70s.
pissed off enough to go "oops upside ya head"
on his homie for turning his whip
into a hooptie... especially when it was
Any mom will go oops-upside-their-kid's-head
for bad report cards.