Jack Fish-ing is when you or another person eats food very loudly in an online call. This can apply to the crinkling of chip bags or the slurp of soup amongst other things.
Tony was eating ships so loud on Skype, I couldn't concentrate on my game. He was totally pulling a Jack Fish/Jack Fish-ing.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).