by livewire93 January 20, 2011
A secret codeword used by kids to warn others that someone is walking up who shouldn't hear what they are talking about. Such as a teacher, a snitch, or the person being talked about.
person 1: dude that party was nuts last night
person2: I know bro i was so drunk i even...
person 1 : Mondo Guac!!
teacher: hey boys hows it goin
person2: I know bro i was so drunk i even...
person 1 : Mondo Guac!!
teacher: hey boys hows it goin
by hihungryimdad May 02, 2023
Matthew hasn't checked Facebook today, so he's over on the floor sweating profusely and bleeding from the eyes and mouth. He's totally gone mondo.
by osujoe May 19, 2011
by Gorgonbreath November 30, 2017
An extremely large turd that exceeds the average size of the male genitalia that is kept intact in one piece.
by marmarfaggots July 21, 2018
by average al April 20, 2021