The act of getting completely hammered then stripping down naked and going up to a random persons door. When you get to the doorstep you begin to masturbate and when your getting ready to cum you start knocking on the door. When the person opens the door you ejaculate on them, punch them in the face and leave casually.
Yo brah, last night i got so drunk that i went around my neighborhood and gave some old guy a good ol' sloppyknocker.
by joindaclub56 December 10, 2011
Get the Sloppyknocker mug.when a person or persons reaches such an uncontrolable level of drunkenness that he/she proceeds to attempt boning any and every girl in the bar, regardless of how rancid, disgusting, or grossly obese she may be
Zach: "Dude, you might to slow down man...whats that? 9 shots already?"
Adam: "I'm alright man, its not like im sloppyknocked or anything"
Adam: "I'm alright man, its not like im sloppyknocked or anything"
by bigpops June 24, 2010
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