Top definition
The instrument created by your anal cavity; as in 'harmonica'. Making yourself fart. Using the rare ability to suck air up one's anus and farting it out to produce consecutive deep, full tones. >Warning the use of the gastronomica could cause a sudden need to crap.<
Jim Wilson can play his gastronomica like there's no tomorrow. 'Midnight Honkytonk Stroll' by Fecal Spectrum is awesome 'cause they use the gastronomica.
> Visit Jim and Fecal Spectrum at <
by G. 'WonderBoy' B. December 06, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug