Top definition
when one throws-up. Prone to happen after pregaming with appletinis.

Phrase originated in a Boston pizza in Niagara Falls, ON.
Jeremy is such a toolbox, he did his niagara falls impression all over Boston Pizza, ruining all his single friends chances with those ladies.

(Text): Ass-clown wake up for class! or are you too tired from showing everyone your niagara falls impression last night?
by Ryan and Jeremy September 29, 2007
Get the mug
Get a niagara falls impression mug for your bunkmate Manafort.