1. eccentric or unconventional people
Usage: informal
2. a type of baseball pitch that breaks in the opposite direction from a curveball
Usage: baseball

Examples

• The comedy troupe was full of screwballs who made everyone laugh.
• My uncle and his friends are complete screwballs, always pulling pranks.
• The pitcher threw two screwballs in a row to confuse the batter.
• Those screwballs next door painted their house bright purple.
• The veteran pitcher was known for his devastating screwballs.
• She loves hanging out with the screwballs in her art class.