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
Rosalba-Italian
Ljube-Macedonian
BryantBRIE-əntEnglish
Oleksander-Ukrainian
Ivaylo-Bulgarian
Liana-Italian, Portuguese, Romanian, English