A sexual act involving sticking ones fingers and or fist inside a persons anus while singing any John Denver classic while specifically "Leaving on a Jetplane".
by Doug Donna November 19, 2010
Get the Denver Knucklemug. by Mogn January 18, 2017
Get the Pork Knucklemug. a drink served in gay and lesbian bars made of peach schnapps and wild turkey stirred with a hairy finger
by zippofish January 19, 2013
Get the Fuzzy Knucklemug. dave: yo heard about your fuck game breh
al: whachu mean
dave: you got a straight puppy knuckle for a dick mayne
al: whachu mean
dave: you got a straight puppy knuckle for a dick mayne
by deuces mcshmitiggle July 29, 2014
Get the puppy knucklemug. Ugandan Knuckles can go to hell
by aertyu May 9, 2018
Get the Ugandan Knucklesmug. by upsetguy February 4, 2010
Get the meat knucklemug. When a girl has a clit so big it looks like a knuckle growing out of her pussy. Also known a Ol' Knuckle Puss.
by Tee Toney Tone September 10, 2012
Get the Knuckle Pussymug.