Definition of "cusper" []

• A person considered to have been born on a cusp between significant generations (noun)
• A person born on a day at a junction of star signs (noun)

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• "Baruchel's one of those yet to break out -- he calls himself a perpetual "cusper," since promises of a breakthrough (most recently in fellow Apatow alum Ben Stiller's "Tropical Thunder") never actually happened, which doesn't bother him."