slang. Also tweeker. [f. TWEAK v. + -ER1.] A catapult.

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1884.  C. H., Her World, vii. 39. Every now and then taking aim with his ‘tweeker’ … at the said person below.

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1897.  Badminton Mag., April, 459. A few shot from a ‘tweaker,’ commonly called a catapult.

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