When you lift the top off a toilet and take a shit in it, causing a disgusting job for the person who has to clean it up. First publicly referenced in American Pie; Beta House, when the guy takes a dump in the top of the john while yelling Hocker Knocker baby!
Dude 1: So did you score with that chick who took you to her house last night?
Dude 2: No man she was a total prude and I couldn't get any
Dude 1: So what'd you do?
Dude 2: I pulled a hocker knocker and ditched that bitch!
Dude 2: No man she was a total prude and I couldn't get any
Dude 1: So what'd you do?
Dude 2: I pulled a hocker knocker and ditched that bitch!
by IhadTo CleanItUp January 10, 2009
 Get the hocker knockermug.
Get the hocker knockermug. Person # 1 - " I don't know man, she is kinda fugly."
Person # 2 - " Yea, but she has capital knockers."
Person # 2 - " Yea, but she has capital knockers."
by Rabbid K9 June 2, 2011
 Get the Capital Knockersmug.
Get the Capital Knockersmug. by Malg April 23, 2006
 Get the flobber knockersmug.
Get the flobber knockersmug. by REN12335 March 1, 2009
 Get the cum knockermug.
Get the cum knockermug. by Ren_walker123 November 10, 2011
 Get the fruit knockermug.
Get the fruit knockermug. by Jake January 10, 2004
 Get the womb knockermug.
Get the womb knockermug. 