What does OOSO stand for?
OOSO stands for "Over and Out Signing Off"
How to abbreviate "Over and Out Signing Off"?
"Over and Out Signing Off" can be abbreviated as OOSO
What is the meaning of OOSO abbreviation?
The meaning of OOSO abbreviation is "Over and Out Signing Off"
What does OOSO mean?
OOSO as abbreviation means "Over and Out Signing Off"
