Top Definition
To uncontrollably shit all over your partner/girlfriend/wife without any prior warning. Usually occurs after severe alcohol consumption. Similar to a Boardman.
James didn't realise he was about to kissack all over her room...

"Dude, I just kissacked everywhere!"

"You're suck a drunken asshole! You've kissacked all over me and my room!!!"

"That was a good kissack"
by fishontoast April 17, 2009
7 Words related to Kissack

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.