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3.
1. Coke; blow; yay; disco dust. Vernacular for blowing lines. A snack generally refers to a bump or a key sized dose.

2. The reason my bank account is maxed out and I have no friends.
Last night was wild! we partied all night long and took down some freshmen scrags, hooray for poopsnacks!
by Tain Cuchulain August 05, 2008
 
1.
cat turds the family dog picks out of the litter box
"Don't let Bart lick your face! He's been eating poop snacks again!"
by mary's sister March 31, 2006
 
2.
1. (noun) A foodstuff made of fecal matter.
2. (adjective) A sad or lame person, one who might be forced to eat fecal matter.
1. Johnny ate his poopsnack without hesitation.
2. Kirkland is such a poopsnack!
by Narfy Jones July 31, 2003