A fork of Rural Dictionary
The greatest of all arm workouts. Typically done on Friday and/or Saturday, the guido pump consists of fifteen to twenty sets of bicep tricep supersets. One should drink pre workout prior to a guido pump and throw on their smallest shirt immediately afterwards.
I did the guido pump last night, and was feeling juicy as fuck afterwards. My arms were hugging the sleeves so fucking tight.
A mode of eating popularized by Eric Cartman highlighted by jamming food into the rectum and deficating out of the mouth instead of vice versa. Eric won a $20 bet with his Jew-friend Kyle for proving that introretrogestion is humanly feasible.
Popcorn is one food that would be difficult to eat using introretrogestion.