To stumble, to trip. / (figuratively) To fall into error; to make a mistake, and especially to stumble morally.

A stumble, a trip. / An error, a blunder, especially a moral slip-up.

plural of snapper

present participle of snap

The sound or action of a snap. / The act of snapping at, or speaking sharply to, somebody.

In a snappy manner.

In a snappish manner.

The state or quality of being snappy.

Alternative form of snapping turtle

(slang) a dumbbell; a knucklehead.