Definitions

1. noun

A variant of the surname Wallace or a colloquialism for a fan of the Scottish professional snooker player John ‘The Wall’ Wallace, but most commonly known as a fan of the sport, particularly in Scotland.

“He’s a big wallie and always supports his favorite team.”

2. noun

A type of sparrowhawk, specifically a female sparrowhawk, especially in Scotland.

“The wallie swooped down and caught the unsuspecting sparrow in mid-air.”