I’m just happy these girls seem into me now
Yeah, they lookin’ for some In N Out, animal style

from Childish Gambino (Ft. Beldina Malaika) – Not Going Back Lyrics on Rap Genius

Meaning

Now that he’s famous, hot girls are attracted to him. And those girls are wanting some D sliding in and out of their V. Nothing cute, just like dogs in heat.

The double entendre here is Gambino is also referring to the fast food chain In N Out Burger and their secret menu item: Getting a burger “Animal Style”

Via BadMouth.net

A mustard-cooked beef patty with additional pickles, cheese, spread and grilled onions diced up and mixed together on the grill before getting dumped on your burger. This is probably the most famous secret menu item, and for good reason: it’s pure awesome on a bun. You can get any burger done Animal Style.

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