To press your mouth and cheeks tightly into your partner's dirty ass crack and go "phhhbbbsssffft" so hard that you get an arc of poo on your face, hence, the "chocolate frown".
"Damn, that bitch got all up in my grill, so I told her to get down there and get her bitch-ass face a chocolate frown."
It is the precise antithesis of a chimpanzee smile. The ultimate expression of despair.
The children raced down the steps on Christmas morning only discover that somehow Santa seemed to have skipped over their home. The only gift they received that year were a bunch of chimpanzee frowns.
Marketing your dad to other people against everyone’s (including your mom’s) wishes
Winky frown isn’t a reference to the Winklevoss twins per se
The cops are gonna pick you up in a black and white frown dick, bad boy