SBD



silent but deadly

and SBD
mod. [pertaining to a release of intestinal gas] soundless but smelling horribly. Who floated that SBD air biscuit?
See also: but, deadly, silent

SBD

verb

Common Names:

NameGenderPronouncedUsage
Sylvestersil-VES-tər (English)English, Dutch, Danish, German
Viktoriyaveek-TO-ree-yah (Russian)Russian, Ukrainian, Bulgarian
Berezi-Basque
Fallon['fælən]
MyaMIE-əEnglish (Modern)
Sergius-Ancient Roman