When a male receives fellatio
from a female who has her mouth filled with icy cold water.
"Dude, Sarah fully gave me a hydropump last night...I mean, it felt cool, but my dick shrivilled like a sundried prune..."
1. The act when a male is intoxicated and has sexual intercourse with somebody, and half-way through, he sobers up, realising his partner's physical features represent a decomposing trout inside a balanese prostitute, and as a result the male's penis then becomes flacid.
2. Noun. A word to describe someone who is likely to cause flibblegicking.
1. "Man, after the pub I went to this chick's house, but then I totally sobered up and flibblegicked!"
2. "Dude, Sarah is a grade-A flibblegicker..."