look up any word, like cleveland steamer:
 
1.
From the words Gastronomy and Orgasm, literally food so good that you had an orgasm in your mouth.
Dude! This steak is so good, I just had a Gastrosm!
by Andres Bukid May 04, 2012
 
2.
Fr0m the words Gastronomy and Orgasm. Food so good, you had an orgasm in your mouth.
Dude! This steak is so good I just had a Gastrosm!
by Andres Bukid May 16, 2012