A fork of Rural Dictionary
something that is equally gross and funny.
person 1 : did you see when that guy made milk come out of his nose when he couldn't stop laughing? person 2 : hells yes! that was mad grunny!
to follow or tag along with a couple
"hey, what are you doing this weekend?" "oh, me and my girl are going out, and (insert name here) is third wheeling.