noun
a surgical procedure for male sterilization or permanent contraception, in which the vasa deferentia are severed and sealed
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The man decided to undergo a vasectomy to permanently prevent any chance of pregnancy.
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My friend got a vasectomy last week so he doesn't have to worry about birth control anymore.
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I heard Bob got 'snipped' and got a vasectomy. No more kids for him!
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Getting a vasectomy is like putting a permanent lock on the baby-making factory.