Same as "you should", though it can be use for any subject (I, he, she, we, it, they). Implies advice or warning. Common in the southern US, this phrase has been shortened down from: SBJ
You would be better off if you...
You would be better to ...
You'd be better...
You'd better...
You better...
Stands for Smoking Blow Job. If you dont inhale on a cig properly you breath out thick, heavy smoke. If giving head when you do this you can use the thick smoke to make a blowjob more interesting and pretty.
A 'Nikola gave me an sbj last night, it fucking rocked!'
B 'AWESOME!'
guy 1-that guy went out with katy perry, he's ugly as f*ck
guy 2-sbj
means something embarrasing in arabic - shee be jaris
omg look at her hair ... its sbj
Don't forget to tell your Boss that's its SBJ Day tomorrow. Good then I'll see you at the lake.