Prince Harry, a friendly creature of limited intelligence, was having an op to repair an umbilical hernia.
But the best examples of op Art in the New Museum show called “Ghosts in the Machine” are genuinely disorienting.
More often that not, Davis seems to get dismissed as a provider of intriguing visual fun, pretty much in the mode of op art.
[fr operator or operative]
Other people's: OP. Other people's money
[1901+; perhaps a translation of Yiddish yenems]
/op/ 1. In England and Ireland, a common verbal abbreviation for "operator", as in system operator. This is less common in the US, where sysop seems to be preferred.
2. The general term for an IRC channel op. Also, as a verb: to give someone channel op privileges. Compare ircop.