Brain Text 

A girl in your contacts willing to give you head.

Matt: She a booty call?
Peter: Nah, she a brain text.

Brain Text by A Peter O October 6, 2008

Braintext 

v. Sending a message without communication through ordinary channels.

n. A communication sent or received without actually calling, talking, writing, emailing or texting.

"Hello? That's so funny... I was literally just calling you... I must have sent you a braintext!"

Braintext by Ziggy_Susan March 29, 2009