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1.
Slang term for any fast-food joint. Originated on SeaLab 2021.
Did somebody order GRIZZLEBEES? (in an unidentifiable germanesque accent)
by Elliott January 13, 2004
 
2.
An umbrella term for the many restaurants that sell greasy slightly upgraded diner food. see: Chili's, Applebee’s, TGI Fridays, Outback Steakhouse, Spoons, Ect. They are notorious for being impressive on the first visit, then slowly the portions shrink, ingredients get cheaper, service dwindles, until eventually it just sucks.
Term was used as a fictional commercial restaurant on the Sealab 2021 episode Tinfins.
Grizzlebees family bar & grill, you'll wish you had less fun!
by metaball May 14, 2008
 
3.
Packing a bowl of Marijuana on top of a pile of ash that hasn't been cleared out from the last bowl you have indulged on.
Josh: Hey you happen to have something to clear this bowl out with? Maybe a paper clip or something?

Zac: No I can't seem to find anything.

Josh: Well I suppose I'll just have to pack a grizzlebee then.

Zac: True.
by SkinnyPants January 21, 2009