Booty-Alert is when a masculine guy makes a female, or feminine guy eat his ass, and he rides their face, squats up and down on their face, or bounces up and down on their face to the beat of the song Booty-Alert while their eating his ass. The song was featured in the movie Ride Along 2.
It's used for stimulation and pleasure, or sometimes just to clown them for fun, or to be a jerk just because he can.
"Aye, you know that bitch I had come over last night? I booty-alerted that hoe. I sat on her face, and made that hoe eat my ass while I squatted up and down to the beat of the song. Nigga! I felt like I was doing a bomb ass leg workout."
"I clowned the fuck out that fag. I booty-alerted his dumb ass......had that thot eating my ass while the song was playing. Then laughed at his stupid ass afterwards."
"Get out of line, or talk shit if you want to. I'll let every nigga know you eat ass, and that I booty- alerted yo slow ass."