When a female/any person with a vagina rubs her vaginal area on someone else, especially
while that person is sleeping, passed
out or otherwise occupied.
Coffee grind is also
less commonly used
to describe rubbing the vaginal area on a willing partner during foreplay.
"Kelly, don't bother coffee grindin' that
guy - he's just pretending to be asleep!"
"Quick, grab the camera! Katie's giving Brad
a mad coffee grind!"