Meaning is hittin it from behind and clappin them cheeks. Gets its name for resembling sand dunes, hence you beat the dunnies down.
Splez: Ayo treesh lemme beat the dunnies down!!!
Treesh: Okay daddy you can get all the ass you want...
Splez: Ight bet. Uh Huhh Huhhh
Treesh: Okay daddy you can get all the ass you want...
Splez: Ight bet. Uh Huhh Huhhh
by Cex Offender April 13, 2021
Get the Beat the dunnies downmug. beat the dunnies down
Stranger : man I’ll love to beat her dunnies down respectfully
Stranger 2 : what do you mean?
Stranger 1 : you know what I meannnn
Both strangers : oooooohhh
“beat the dunnies down“
Stranger 2 : what do you mean?
Stranger 1 : you know what I meannnn
Both strangers : oooooohhh
“beat the dunnies down“
by Adamwrld69  March 26, 2021
Get the beat the dunnies downmug. by younginsoicy March 8, 2021
Get the let me beat the dunnies downmug. by LIN0 March 13, 2021
Get the Lemme beat em dunnies downmug.