One from the pump

To achieve a point of intoxication that if one were to consume another beverage, one would likely get alcohol poisoning and need to have his/her stomach pumped.

Being "one from the pump" can be characterized by blackouts, shitting one's undergarments, contracting an STD, and numerous bruises.

Rob:"Remember when you had a bath with Becky last night?"
Kev: "WTF! Becky is my cousin. You ain't serious?"
Rob: "Yeah man...you were like one from the pump."