SDO

Short for SODOMY
an activity that is fun between you and me,

SDO wit, J-HO fo' in the ro' wit the back do' ho.

by Anonymous October 24, 2003

SDOS

Second day of school - at the beginning of the year comes after FDOS. Can be as or more important that first day.

We survived FDOS and the SDOS wasn't as bad

by arual44 August 8, 2016

sdoing

abreviationg of what are you doing?
the abreviation makes typing 4 words quiker, its all put into 1
how convinient :p

Andy: sdoing bro?
Chris: nuthing man, bumming it

John: sdoing tomorow?
Bob: nuthing at all

by Andy Andy June 28, 2008