To toungejack is to lick maddly with intent to destroy or arouse. Toungjacking is usally done to coochies, cooters, or to the shitbox.
by Shweetbox July 15, 2005
the act of using your tounge to brutally lick some part of a peron's genitalia, with ferocious speed.
by Krazy Kat's October 15, 2007