burp verb to belch; to cause a baby to belch US,1932 The variant spelling, “birp”, has been recorded in Wolverhampton in 1967.
[Timothy Spall] has always refused to have lunch with journalists since one reported that he burped and farted during their meal[.] — TheGuardian, 29 September 2002
▶ burp the worm (of a male) to masturbate US
“The boy is masturbating” Burping the worm[.] — Erica Orloff and JoAnn Baker, DirtyLittleSecrets, p. 88, 2001