Bandy/ˈbændi/ Definition 1 of 4Pro Tip 1/3Idea Exchange Use 'bandy' when referring to an informal exchange of thoughts. I'm looking forward to bandying suggestions with the team. Pro Tip 2/3Non-Physical Trading 'Bandying' does not involve actual items, just thoughts or words. He loves to bandy jokes with his friends. Pro Tip 3/3Colloquial Tone 'Bandying about' has a casual tone, often used in spoken English or informal writing. They were bandying about theories for hours.