(colloquial) to become very angry or enraged; to throw a fit or go crazy.

(idiomatic) To disclose a secret; to let a secret be known, often inadvertently.

(transitive, now often figuratively) To drive something away with blows or military force. / (intransitive, idiomatic, vulgar, colloquial, chiefly US, Canada) To masturbate, usually a man of himself.

(informal, transitive) To make a rude or obscene gesture at someone.

(idiomatic) by the way; now that I think about it; indicates something brought to mind.

(idiomatic) A skinny, malnourished person or animal.

(physics) The speed at which sound is propagated through some medium under specified conditions.

Occasionally; intermittently; irregularly; now and then; once in a while.

(slang) To insult (someone) by showing them the back of one's fist with the middle finger extended.

The slow westward shift of the equinoxes along the plane of the ecliptic, resulting from precession of the earth's axis of rotation, and causing the equinoxes to occur earlier each year