Green’s Dictionary of Slang

bandy n.2

(US teen/campus) a dedicated member of a marching band; esp. one whose social life is limited to fellow musicians.

[US]M. King posting 15 Jan. 🌐 Life in the world of civilian music is very busy and so I have sadly neglected to keep in touch with the lads, so its really great to be able to send regards to all the former and presently serving ‘bandys’.