smo is an acronym for "sarcasm may occur", to state the not always so obvious texty sarcasm out there, used whenever a smiley/emoticon doesn´t quite cut it. :P
1. I know losing your eyebrows is horrible, but at least you're pretty smo
2. person 1: hey can I borrow your car, while mine is at the workshop?
person 2: yes by all means wreck mine too then none of us can drive... smo
3. I just love that I can always depend on you, knowing you got my back when I need it, smo fucker
(suck me off) A word used when in desperate need of sucking off
8-18 girl: Hey, you're old enough to be my father.
Cone: smo, bbg.
It's something that is short for 'suck my ovaries'.
kinkyy putas do this.
Menev : sup?
Nandz: smo
Menev: I'm gae man , you are sooos