Old switchblade Synonyms

Definitions for Old

(adjective) being of advanced years and especially past middle age
(adjective) dating or surviving from the distant past
(adjective) having been such at some previous time

OS abbreviation

OS is an abbreviation for Old Switchblade

What does OS stand for?

OS stands for "Old Switchblade"

Switchblade replaced

Definitions for Switchblade

(noun) a pocketknife with a blade that springs open at the press of a button