Top Definition
a neurotic condition, typically occuring in new mothers, in which the child protection instinct completely overwhelms all sense of sanity, reason and normal social behavior.
My sister-in-law won't be attending Thanksgiving Dinner because her son's naptime is from 12:22 to 1:47 and she heard I was sick two weeks ago, is afraid I could still be contagious - complete Over Protective Syndrome (OPS).
by LBiggie August 10, 2009
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