B&M

Bolliger & Mabillard - rollercoaster designers famous for fast, smooth, twisted track with the characteristic ROAAAAR! sound, caused by polyurethane wheels. Affectionately referred to by coaster enthusiasts as "Beamers".

Check out that new flying B&M that Six Flags New Jersey just built!

by Sarabellum1976 September 4, 2003

B M

Abreviation for Bowell Movement (Verb I guess) Certainly not to be used anywhere near to "yo baby's Mama" and one poor sole has suggested.

Eating a balanced diet will result in healthy floating B.M's; not the bowl stanging sinkers most gangsters coil in dimly lit, fetid tiolets.

by Priz Biz Sage June 10, 2005

B&M

is a type of shifter in cars for both manual and automatic transmission. usually used in high performance cars, such as modified mustangs and camaros. you can find a B&m shifter usually being used by a guy with a mullet.

damn boy, that is a sweet ass car. you got a B&M shifter in that thing?

by troy October 30, 2003

B&M

A large shop that sells discount goods

I can buy all kinds of cheap stuff at B&M

by Wagster July 18, 2006

B M

Acronym for Big Momma. Stands for middle aged women who are obese and rude to little white girls.

Dang, why is B M so mean to little Marissa and Jenna?

by bdong January 1, 2011

B M

Baby Mama

by angelface June 3, 2003

B&M

Butts and Mustard.

Mustard and Butts.

by Danny from 8 is enough September 21, 2003