1 definition by Any F.H. (Future Husband)

B.I.L = Baby in love. An adult, resembling a baby by face or body, who has fallen in love.
Individual #1: My buddy went out on a date lastnight.
Individual #2: The one with the babyface?
Individual #1: Yeah, he's totally in love.
Individual #2: Typical Bil.
by Any F.H. (Future Husband) February 2, 2007
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