bust on someone
v. phr.— «As to the overall tone, true, it is condescending, but if I bust on your favorite director, don’t give me heat, it’s all in good fun.» —“Movie Hotline vol 1. iss. 2″ by Robert A. Beeler Usenet: rec.arts.movies Nov. 7, 1989. (source: Double-Tongued Dictionary)