Meanings
- slangThe flap for defecation in a union suit.
Cite this entry
fireman's flap. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fireman's%20flap
“fireman's flap.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fireman's%20flap. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “fireman's flap,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fireman's%20flap.
Source: fireman's flap on Wiktionary, CC BY-SA 4.0.