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cannon

verb [I usually + adv/prep]
 
 
/ˈkæn.ən/ UK

Definition

to knock or hit against someone or something suddenly and forcefully as you are running: I was rushing along with my head down when I cannoned into an old lady walking the other way.Hitting against objects accidentally and colliding
(Definition of cannon verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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