(impersonal, UK, informal) To rain very heavily.

simple past tense and past participle of tip it down

Alternative form of pro tip

(idiomatic) A useful piece of advice.

Alternative form of cocktip

Alternative form of cocktip

Known but not quite remembered.

(card games) In card playing, to accidentally reveal one's cards or hand. / (figuratively) To inadvertently reveal any secret, particularly a secret that puts one at an advantage or disadvantage.

(US labor law, singular only, the tip wage credit) A law that allows an employer to count tips received by an employee toward the latter's minimum wage.

To briefly remove or tap one's hat as a gesture of greeting, deference, or respect. / (idiomatic) To acknowledge or show respect; to honor.