Top Definition
The act of being excessively intoxicated. Sloopto activities include toe stubbing, word slurring, incoherent text message sending, and shouting. Very loud shouting.
friend 1:"How did you get home last night?"
friend 2: "no clue. i dont remember anything after 9pm."
friend 1: "ohh it was a sloopto night"
by me and jim January 11, 2009
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