(idiomatic) To speak frankly, to convey all and only the truth of a situation.

Alternative form of show and tell

(transitive, idiomatic) To function as a liability (for someone); to put into a condition of disadvantage. / (transitive, idiomatic) To serve as evidence which casts doubt upon.

(informal) telltale

(idiomatic) I do not believe what you said.

plural of tell-all

(idiomatic) To tell someone's destiny or future, usually by magic.

(slang) A love hotel; a motel where brief sexual encounters are sanctioned.

plural of no-tell motel

plural of show and tell