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A very brief look, glance, or examination. A: "Is there any more of that cake left in the fridge?" B: "I'll go have a look-see!" I heard you're having some engine trouble—mind if I take a look-see?
Rur. a look at someone or something; a peek. (*Typically: get ~; have ~; give someone ~; take~.) A: Do you think they have finished painting your office yet? B: Let's go down there and take a look-see.