exclamatory

An exclamatory sentence, or striking reflection, which sums up or concludes a discourse.

an exclamatory rhetorical device

Exclamatory.

An exclamatory word or phrase, equivalent to nonsense!

(exclamatory phrase) a playful indication of surprise, misfortune, or insult\r \r popularized by Tracy Morgan of Saturday Night Live, OH SNAP is seemingly derivative of [oh no you didn't] where an insulted person, for example a guest of Jerry Springer or often a spunky African American woman contends the insult being made against him/her