Dictionaries:

back door trumpet:

A wind-breaking (flatulent) anus . Coined in the mid- or late-19 th century. See anus for synonyms.
See Also: a bit of front door work, back door, BDTs, bit of front door work, butch-fluff, closed swinging, combustoflatulation, tradesmens entrance, workman's entrance

Link to this page:

Word Browser