Pronounced "sue-goo." Acronym for "spit up to git up." Refers to self-induced vomiting immediately before going to bed after a night of heavy drinking to lessen the next morning's hangover by getting rid of alcohol not yet absorbed into the bloodstream.
I can't believe he is drinking so much the night before an exam. If he doesn't SUGU, he won't even make it to class.
by Buck Frenzy January 14, 2019