- oh
- [[t]oʊ[/t]]interj. n. pl. oh's, ohs,1) (used as an exclamation of surprise, pain, disapprobation, sympathy, agreement, etc.)2) (used in direct address to attract the attention of the person spoken to.)3) the exclamation “oh.”4) to utter or exclaim “oh.”•Etymology: later sp. of O, from mid-16th cent.
From formal English to slang. 2014.