Twack
From Plastic Tub
twack n. 1. Twelve individual beers packaged together; Tampa slang for the dodecahedronal arrangement of bruce. 2. From On Human Sass, the sound made by the protagonist hitting the floor-boards after succumbing finally to nueralgic syphilis.
Hey man, let's step up to the fucking plate -- and get a twack."
- -- Unascribed person, stained with BBQ sauce, large fisted.