Why-not
Pronunciation : Why"-not`
Part of Speech : n.
Definition : Defn: A violent and peremptory procedure without any assigned reason; a sudden conclusive happening. [Obs.] When the church Was taken with a why-not in the lurch. Hudibras. This game . . . was like to have been lost with a why-not. Nug? Antiq.
Source : Webster's Unabridged Dictionary, 1913