A situation during sexual intercourse when a man ejaculates explosively in between the butt cheeks of his partner. He then would vibrates the butt cheeks of his partner while his semen drips down their crack.
Chris - Listen baby, im not trying to have some candle light dinner over wine tonight. Im just trying to shack the cheeks.
by Shhtevenn June 9, 2016
Get the Shack the cheeksmug. by bereel December 6, 2012
Get the slimey butt cheeksmug. I love scrolling through Urban Dictionary; some definitions are so hilariously random and tongue-in-cheek that I can't help but laugh out loud!
by Emotional Cruiser November 4, 2025
Get the tongue-in-cheekmug. One who acts like a butt cheek. Someone who is being annoying, thinks their funny or cool. Usual names begin with G and Z
by Tactical ocelot September 24, 2017
Get the Left But cheekmug. the action of laying on your back, typically a male doing this, and lifting his legs back behind his head, while another male's head is shoved between the ass pillows, and the cheek-slammer slams his cheeks closed on the victims face.
by Jman564613 August 12, 2009
Get the Cheek slammug. ass cheeks with piss on em
by meepmeep1230 January 18, 2021
Get the piss cheeksmug. 
Get the Raspberry Booty-Cheeksmug.