Definition of break one's neck
- He fell off the roof and broke his neck.
- Stop jumping on the bed. You're going to break your neck.
: the part of an animal that connects the head with the body
: the siphon of a bivalve mollusk (such as a clam)
: the part of a garment that covers or is next to the neck
: to kiss and caress amorously
: to reduce in diameter
: to engage in amorous kissing and caressing
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