Screwball
WordNet
adjective
(1) Foolish; totally unsound
"A crazy scheme"
"Half-baked ideas"
"A screwball proposal without a prayer of working"
noun
(2) A pitch with reverse spin that curves toward the side of the plate from which it was thrown
(3) A whimsically eccentric person
WiktionaryText
Noun
- A pitch thrown with added pressure by the index finger and a twisting wrist motion resulting in a motion to the right when thrown by a right-handed pitcher.
- The screwball is not thrown much because it tends to damage pitcher's arms.
- One who behaves in a crazy or screwball manner.
- I will not listen to this screwball any longer.
Adjective
screwball (no comparative or superlative)