For all the OP freaks:
Best Answer - Chosen by Voters
It could stand for:
# Observation post
# Ocean Pacific
# One Piece
# Operator
# Optimus Prime
# Oliver Peoples
# Opus number (usually classical music)
# Orange Pekoe
# Oratory Preparatory School
# Ordo Praedicatorum ("Order of Preachers"), the official name of the Dominican Order; Dominicans often use the letters "O.P." after their names to indicate membership.
# Overall Position, the grade appointed to Queensland high-school graduates
# Overland Park, Kansas, a city in the Kansas City Metropolitan Area
# Orland Park, Illinois, a city south of Chicago
# Orchard Park, New York, a town south of Buffalo, New York
# Overpowered, internet slang referring to poor game balance.
# A channel operator on IRC
# Original Post, the first post (or posting) on a topic on a blog, often containing the original question or topic of discussion.
# Original Poster, in an internet discussion board context: the first person to post on a topic.
# OpenID Provider
Source(s):
http://en.wikipedia.org/wiki/OPWas Over priced mentionned here??