When managers or supervisors speak in technical meetings in an effort to sound knowledgeable by simply restating obvious facts. The phrase suggests the manager is better off sitting on the beach enjoying shrimp cocktail rather than participating in technical discussions.
Dave: Testing should be conducted internally and externally to test firewall and security behavior as well as the software changes themselves.
CTO: Yes, this testing is important.
Dave: Uh, yeah. Yeah, it is. Thanks.
Bill: (quietly) Man, that was some shrimp gulping! *dip dip* *GULP* Go back to the beach, old man!
When a man shoves his dick down a chicks throat, and right at the point of deepest penetration, busts. This in effect causes the chick to vomit up the dick (note, the chick does not simply vomit, she specifically vomits the dick out of her throat) causing the most splendid sensation for the man.
Jackson: Yo man did you have fun last night with that one bitch?
Guilhem: Yee son she gulched my dick so hard i still have gulch juice up in my pubes.
Jackson: Niiiiiice, gulching feels fucking bomb!