look up any word, like sapiosexual:
 
1.
S/O
Shout outs to _______ . A commonly abbreviation used on Twitter.
S/O to my nigga @TRAGEDYKHADAFI7 it's good to have you home.
by mikeyrocks September 01, 2010
873 311
 
2.
s/o
(a) significant other(s)
My boyfriend is my s/o.
by alone_and_lonely February 14, 2005
369 329
 
3.
s/o
s/o is a shorter way to say starting offer. it is usually used in forums such as FSF or ISS.
s/o: $50
h/o: $100
bin: $120

by jooocelynnn January 13, 2008
172 210