1. What you scream before beating the crap out of a person who enjoys rap music.
2. A common phrase from characters from the webcomic "ASSKICKER"
1) "DUUUDE, IT'S LIKE, A EMINEM FAN! LET'S GO KICK HIS ASS!! IT'S ASSKICKING TIME!
2) "Dude. The Biker is pretty cool, he's always screaming "IT'S ASSKICKING TIME!" before he beats up The Hipster.