We've found 6 phrases for knuckle (0.131 seconds):

knuckle down »    To get to work; to focus on a task.

knuckle dragger »    A large, strong, and rather dimwitted person.

knuckle sandwich »    A punch to the face, especially to the mouth.

knuckle under »    To yield or cooperate when pressured or forced to do so.

near the knuckle »    Risqué, sexual, suggestive of impropriety..

white-knuckle »    Causing fear, excitement, apprehension, suspense, or nervousness.

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