A fork of Rural Dictionary
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
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
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.