(1)something that is awesome on epic levels.
(2)someone or something that is sexy and cool.
meaning 1 example
Matt: hey Jordan check out that Ford Mustang.
Jordan: that is smack ass groovy.
meaning 2 example
Jordan:what do you think about that girl over there.
Matt: she is definitely smack ass groovy.
A professional that deals with the aesthetics of the gluteal region. This is largely a male-dominated profession. Their services are in high demand in this increasing vain U.S. society. Ass grooming boutiques exist in trendy areas such as Seattle, Miami, and Providence, RI.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).