verb: The act of using an apparatus that spreads apart your anus, and putting caterpillars into said anus and squishing them. you then use the green goo from the caterpillars as lube for masturbating.
by lemonjello612 July 08, 2011
Guy1: Hey dude last night I tunneled a chick in church.
Guy2: Oh yeah, one time I tunneled a dude on an airplane.
Guy2: Oh yeah, one time I tunneled a dude on an airplane.
by lemonjello612 July 08, 2011