A storm-scale or mesoscale boundary separating thunderstorm-cooled air (outflow) from the surrounding air, with a similar effect to a cold front.

(idiomatic) With the intent of killing somebody (especially out of revenge).

(slang) Crazy; unhinged; irrational.

(idiomatic) Crazy; unhinged; irrational. / (idiomatic) Stoned or intoxicated.

Alternative form of out of character

(intransitive, of a plant) To open its buds.

(transitive) To compute the total price of something. / (transitive) To exclude by means of a high price.

(idiomatic) To rile someone up.

present participle of sound out

simple past tense and past participle of sound out