1 definition by @kinggy

When a person/persons hangs from the ceiling by their feet which then a male proceeds to put his penis in their mouth and continuously aggressively fucks her throat until he cums down her sore airways.
“Hey Nathan, I wanted to give my girlfriend bat brain last night but she was too heavy and she snapped the rope
by @kinggy May 9, 2020
Get the Bat brain mug.