Muckin' Bin 

Eating Vagina with the entire mouth.

Andrew decided to muck Jenny's bin after a long sweaty hockey practice.

1. Andrew unzipped her pants, enjoyed the aroma of the exposed vagina, which inhibited his performance of muckin' bin.

2. Must be done long enough to ensure the web beneath your tongue is in excruciating pain the next morning.

Technique: Variety of different ways which include the Jawbreaker, the PleasureTreasure, the Dangling Worm, the Meat Grinder, or the Full Throttle Muck.

Muckin' Bin by MeatWallet April 15, 2009

mucking bin 

the act of eating a girl out. Commonly used phrase by hockey players.

Hey Timmy lets go to the club and try mucking bin tonight.

mucking bin by AllstarHeater October 31, 2013

muckin bins

the name for the action of eating out a woman. many men pride themselves for their wider variety of bin mucking techniques.

Jose: Aw dude, you got with sheryl last night!?
peter: yeah man
Jose: You get the kill!?
Peter: nah dude she was done after i mucked her bin
Jose: oh well dude, no girl ever complained about a guy whos good at muckin bins

muckin bins by mudpuppy69 December 21, 2010

Mucking bin 

"Mucking bin" refers to the act of male/female sexual intercourse.

"Muck" derives from the type of consistency created in mud when you get your boot stuck in it. "Mucking" is the action of pumping your male reproductive extremity in an inward/outward motion into a wet, viscous area; In this case, a bin.

"Bin", a variant of "dumpster" as defined in the term cum dumpster refers to a vagina.

Boys! Don't be shy with the Axe Body Spray tonight; We're out to muck some bin!

Did you hear Dan is taking his date out in his new car tonight? He's mucking bin for sure!

<phone rings> hello? hey, what are your plans tonight? my lady is coming over so I'm probably just mucking bin and ordering pizza (in no specific order). Enjoy the pizza!

Mucking bin by ice2bb January 17, 2018