present participle of boo

plural of booing

plural of bug-a-boo

Alternative form of na-na na-na boo-boo

(chiefly Britain, informal) Correct, satisfactory.

The sound of crying. / (used ironically, spoken as an ordinary word) it is not worth crying about, an expression of contempt

(slang) An exclamation of joy, excitement or triumph.

Alternative spelling of tickety-boo

(Britain) An expression of derision or scorn.

Characterised by derision or scorn.