Internet slang version of "fuck off". derived from "Hack and crack off". Used also as a threat to hack (or crack, if speaking in the hacker's slang) one's computer.
sometimes also used in other forms instead of the "fuck" word, like "STH&CU" instead of "STFU"
sometimes also used in other forms instead of the "fuck" word, like "STH&CU" instead of "STFU"
by Seeder August 28, 2007