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1.
B&S
Bait & switch: Internet, newspaper, or phone advertisements, which may include photos, written or verbal descriptions, do not match the woman who shows up, or she has been grossly misrepresented.
Escort: That agency is known for B&S.
by HeavyPooner April 29, 2005
 
2.
B&S
Batchelors and Spinsters. An Australian term for a semi-formal get-together in the outback. People dress up in formal wear and go to someone's barn or shed to dance, get drunk, hook up and pass out in the back of a ute (trayback vehicle). Although it sounds rough, it's for private schoolies mostly, because of all the landed gentry.
'I hooked up with Sharon at that last B&S out at Jack's place.'
by Ray Babycakes July 18, 2006