I know'd this was a whapper of a lie, as soon as I heard it.
And turning to Tengelyi, he added, "That boy Imri is a whapper, sir; but the other chap's a scurvy rat!"
An exclamation of joy and approval; hurrah (1862+)
Exuberant merriment; wild celebration; whoop-de-do: ''Whoopee'' seems to have entered New York with the accent on the first syllable (1928+)
[based on whoop, which is found fr late 1300s; popularized and perhaps coined by the colmnist Walter Winchell]