[asah]

Correct. It's not even a pejorative, it's so standard.

At least I'm not a "heavy user" at a fast food chain (also real).

[dredmorbius]

Verified:

"Cash Cows: Burger Joints Call Them 'Heavy Users' -- but Not to Their Faces"

By Jennifer Ordonez Staff Reporter of The Wall Street Journal

Jan. 12, 2000 12:20 am ET

https://www.wsj.com/articles/SB947636708123070129