When 2 bros go to shake hands and their female counterparts cross between them to hug, creating a hand-boob combination worthy of a couples greeting ritual.
by Cosmo the assman  March 15, 2021
 Get the motorboat handshakemug.
Get the motorboat handshakemug. When you're performing cunnilingus on a woman and you blow into pussy lips like a trumpet, causing the lips to flap
by Ceweal Ceweal with Gwavy February 15, 2018
 Get the Australian Motorboatmug.
Get the Australian Motorboatmug. A type of boat that is propelled by an electrical motor, mainly used for fishing, catching shrimp, or hunting gators.
by p0ps0da June 2, 2020
 Get the Motorboatmug.
Get the Motorboatmug. When having aggressive cowgirl sex, and the woman cuts a long bubbly fart on the man’s ball bag, creating the sound of a motorboat taking off from shore. Often times caused by pre-game Asada Fries and initiated by a twist of the niplets.
Bro #1: “Hey how was your date with the girl from Florianos?”
Bro #2: “No Bueno, she tirado in pedo on my huevos rancheros”
Bro #1: “The Mission Hills Motorboat!”
Bro #2: “No Bueno, she tirado in pedo on my huevos rancheros”
Bro #1: “The Mission Hills Motorboat!”
by Gaysofthunder69 February 22, 2021
 Get the Mission Hills Motorboatmug.
Get the Mission Hills Motorboatmug.