A sort of reverse wheelie but instead of raising the frontwheel due to acceleration it a raising of the rear wheel and putting all the weight of the motorcycle onto the front wheel due to rapid decceleration .
A word coined by Charles Manson to describe to describe himself and his followers as "slipping out of society". Similar to hippies in that both groups partake in lots of acid and sex, but preferring theft and murder to peace.
No man, Mansons group were slippies not hippies. Hippies don't go around murdering people.