An abnormal amount of ejaculate. Refers to the Great Lakes surrounding Michigan, and that the amount of ejacualte can be compared to the water in said Lakes. For obvious reasons, this should only be used involving EXTREME amounts of ejaculate. Otherwise, refer to Salt Lake Salt Bath.
by Koolpa May 22, 2018

A Michigan native utilizing the far left lane of an interstate or highway without passing other vehicles.
by norm the plum June 5, 2017

someone who lives in Michigan and is 14 and 8 months old (in Michigan a 14 and 8-month-old can drive and work)
person a: wow they look a little young to be driving and working
person b: don't worry they're a Michigan adult
person a: weird
person b: don't worry they're a Michigan adult
person a: weird
by thicckiid January 10, 2021

by terrylondon April 4, 2020

A small city just a little over 30 mins outside of Detroit where females will only want something to do with you if you’re rich & that’s not a bad thing but it is when the guys know that if they dress fly & flash the right amount of money that they can definitely get a Belleville girl in bed that night
Stranger 1: Hey! have you ever been to Belleville Michigan?
Stranger 2: Yeah the hoes easy as fuck out there in Belleville all you gotta do is come right
Stranger 2: Yeah the hoes easy as fuck out there in Belleville all you gotta do is come right
by Chris Landle July 17, 2021

The Michigan mudslide is when you pay a stripper $50 in Kohl’s cash to shit in a glass of Rumchata and Goldschlager
by Poopyturdsmcgee April 17, 2023

It is a sexual act usually following after the act of fellatio. The man will then proceed to ejaculate into a crevice created by her wedging her breasts together. After the process of ejaculation he sticks his face into the breasts covered with his own semen and wish washles around.
Dude, she gave me head and I totally gave her the Michigan Motorboat.
No way dude.
Ya I can still taste it.
No way dude.
Ya I can still taste it.
by The Michelan Man January 8, 2009
