S.B.C.S. 

an acronym for Sweaty Butt Crack Syndrome, also used for Slippery Butt Crack Syndrome

After a vigorous bike ride, armstrong had bad case of S.B.C.S.

S.B.C.S. by King_J September 23, 2005

b.c.s. 

abbreviation for butt crack smell. This condition may be worsened by refusal to wipe one's buttocks.

Dude, that kid smells like a b.c.s. I think he forgot to wipe.

b.c.s. by tb123 March 11, 2009

s.b.c.c 

soft batch cookie crips

them guys from s.b.c.c be running from the park village guys in compton

s.b.c.c by j gangsta January 5, 2007

C.S.B.

Certified Slow Burner. A blunt that burns for days. Not a loose skeet blunt but one that makes it around and around.

noob: man this blunt is way better than anything i've ever seen.

certified stoner: yea man if you're not smoking a C.S.B., then you need to step your game up.

C.S.B. by uc314 October 1, 2010

M.B.C's

May Be Criminals

The bunch of M.B.C's hanging by that street corner makes me nervous to wanna go out there.

M.B.C's by Nana GQ January 15, 2009

a-b-c's 

anal bum cover

quaids got the a-b-c's

a-b-c's by asdf December 5, 2003

s.b.c.t. 

An acronym meaning Stryker Brigade Combat Team (US Army).

Also, the same acronym (which may have a different meaning than the above) that appeared at the end of the JeanBenet Ramsey ransom letter, which has been connected to suspect John Mark Karr in his classmates yearbooks almost 20 years earlier.

Give me money etc etc etc.

Signed,

John Mark Karr

S.B.C.T.

s.b.c.t. by matthew mcleodd August 18, 2006