What is the meaning of Op?

Clipping of operation.

Clipping of operator.

1. An amateur radio operator.
2. An operator on IRC, who can moderate the chat channel, ban users, etc.

An amateur radio operator.

An operator on IRC, who can moderate the chat channel, ban users, etc.

Clipping of opinion.

Ellipsis of op art.

To promote (an IRC user) to an operator.

Alternative letter-case form of OP.

Alternative letter-case form of OP.

Alternative form of opp (“opponent; opposition”).

To buy (something) from an op shop.

To shop at op shops.

on

up; upward

on; upon

in; at

on; upon

water

up

on, on top of

at, in the direction of

at, by

up, upwards

up, upright

open

alternative form of opp

a scream, a shout, a cry

fat, lard, or similar foodstuff

chest

up

up

onto, up onto

Used in separative verbs meaning “to go away” with rude connotations.

on, upon

bar, except Used to form ordinal numbers in relation to a superlative quality. The number that is used is 1 lower than in the English translation.

up, awake, out of bed

up, all gone, no more, finished

opening, orifice

an opening, an orifice, a hole

to stop

open

on, upon

at, to (an institution or workplace)

past

in (a language)

need, necessity

work (usually artistic or literary), writing

open

open

up

onto

on, on top of

at, in the vicinity of

Source: wiktionary.org