by Mr_Shlaapu April 20, 2018

While in midair (from a jump for example) you fart on your hand and slap the fuck out of someone next to you (generally the back of the head or the face.)
Jarome: "Can you believe it, that bitch didn't want to deepthroat me?"
Tim: "What did you do about it?"
Jarome: "I kept giving her Uncle Grubby's Specials until she did what I said."
Time: "Yeah thats what I would have done too."
Tim: "What did you do about it?"
Jarome: "I kept giving her Uncle Grubby's Specials until she did what I said."
Time: "Yeah thats what I would have done too."
by MyEyesRBleeding May 16, 2004

by Rody November 4, 2004

When shit gets grubby. Usually happens while having a casual conversation then stepping in/spilling something really grubby.
Bob: Dude whatsup
Mike: Not much
Bob: Dude watchout
mike steps in a pile of dog shit
Mike: DUDE
random guy: SHIT JUST GOT GRUBBY
Mike: Not much
Bob: Dude watchout
mike steps in a pile of dog shit
Mike: DUDE
random guy: SHIT JUST GOT GRUBBY
by raiderjason November 22, 2011

Usually used to describe something in a negative manner. But in terms of “grub/food” if seen as grubby can be seen as good or appealing
by Grub hub July 10, 2021

by Miami Bob December 29, 2020

Referring to the play-style, demeanour, and fans of The North Melbourne Football Club, colloquially known as "The Roos"
"The North Melbourne Football Team are okay, but boy oh boy, their on-field performance is almost as grubby as their fans"
by AmandaOut July 16, 2022
