A condition characterized by obsessive refreshing of an Online Package Tracking page for an item ordered but not yet delivered.

Not to be confused with OPD.
Damn, I've got a nasty case of OPT today.
by runitai February 27, 2012
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To opt someone is to love them.
I OPT Kaylee.
by GLEE!@!@!@!@ March 23, 2017
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A normal and frequent sound made by the mouth in an akward situation.
adult 1:Do you want to have a duel with Yu-Gi-Oh cards?
adult 2: opt..i dain't want to, naerday.
by immabeastlikeaerday January 13, 2010
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OPT (Old-People Text) is a text sent from an older person who uses texting like a phone call.
I’ve been trying to get some thoughts from aunt Judy on the upcoming family reunion when she has time but she always immediately responds with her usual OPT: “Honey, I have company right now. Sorry.”

She doesn’t get it; I don’t need an immediate response but her response texts seem like I called her and she is telling me she has to get off the horn because she she has people over.
by sleslie2425 December 31, 2018
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Choosing to end one's own life for moral, ethical or legal reasons. A person faced with certain death after a horrible accident, crippling debts, impending imprisonment to name a few. Essentially suicide using one's own moral compass instead of desperation or depression as the typical vector of suicide cases.
Having been indicted on over a dozen felonies, Mr. Swartz exercised what power he had over the course of his own life and chose to 'opt out'.
by mikebellman January 23, 2013
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to kill yourself

(i.e. to opt out of life)
Guy 1: Have you seen Jay around?

Guy 2: Oh shit man, he opted out.

Guy 1: All my friends seem to be opting out lately

Guy2: Fuck it, let's drink
by anon12 February 5, 2013
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Someone that opposes you and tries to fuck your shit up. Rather that be low key or high key.
Cameron always opposed Chris and had something to say, trying to diss Chris. Cameron was an opt nigga to Chris.
by YaBasic July 11, 2016
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