A male or female that is stingy, lives off other people mainly hence they wait for crumbs (opportunities) to come to them. They are a common breed and display traits of being "loose" or just a plain loser.

Other slang: Snackratacus (ultimate snack rat)
Dude you shouldn't hook up with her, she's a total snack rat.

Man, he didn't even pay for anything this weekend..I think we just got snack rated by king snackratacus
by Ak_Rowdy February 2, 2012
Get the Snack Rat mug.
1. Someone who hoards a bunch of free snacks for themselves for later. Common at meetings or other similar events where free snacks are served.

2. Also someone who just buys a bunch of snacks as groceries, instead of real food.
Jessica is such a snack rat! Can't she just take one hoho at a time?
by ~Evlwolf~ April 10, 2009
Get the Snack rat mug.
Its like holey-moley or something. You say it when you get hurt, mad, or excited.
Rat snacks! I just dropped my pencil!!!

Oh, rat snacks i hate you.

I just got taylor swift tickets, RAT SNACKS!!!!!
by ashley and jenna March 25, 2009
Get the rat snacks mug.