1 definition by Phoe and Troo and Justin

Having another person kiss you and transfer a beverage (usually alcoholic) to your mouth to make it less conspicuous you're drinking underage (or just because its fun)
Brian: I can't buy her a drink, she's underage!
Jason: Just use the baby bird on that bitch!
by Phoe and Troo and Justin November 6, 2005
Get the baby bird mug.