Noun | 1. | screwball - a whimsically eccentric person |
2. | screwball - a pitch with reverse spin that curves toward the side of the plate from which it was thrown | |
Adj. | 1. | screwball - foolish; totally unsound; "an impractical solution"; "a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working" |