Nosing around the grundle area -- usually performed by a dog trying to get your attention (aka crotch-sniffing) or another person REALLY trying to get your attention.
by YodaDoe December 27, 2004
The act of taking your strong arm and feeding it under an unsuspecting friend's legs as he stands and lifting him up by his grundle. This will cause extreme pain of the marble sack and or loss of baby makin mojo.
by Valente Bros. January 05, 2008
When two men grind their Grundles together; this act is much like when two women scissor each other.
by XxFrictionxX January 03, 2019