- baby
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1. n. a lover; one’s sweetheart. (Also a term of address.)□ Come over here and kiss me, baby.□ Look, baby, I think we can work this out.2. n. a term of address for a friend or pal of either sex.□ Come on, baby, push this thing—hard!□ Hey, baby! Getting any action?3. n. a thing; a gadget; a machine, such as a car. (Similar to sucker.)□ This baby is a real bear.□ Hand me that baby with the sharp point, will you?□ What kind oftranny does that baby have?4. n. a project thought of as an offspring. (Always with a possessor.)□ Whose baby is the Johnson account?□ You give the report. This project is your baby.
Dictionary of American slang and colloquial expressions. 2015.