A Korean slang word, typically used to describe either your crush (like Japanese Senpai or Sempai ), or your celebrity crush. It informal cases, a girl would address her male best friend like this.
1) "Jiminie Oppa!"
2) Thanks, Jeongun-oppa
by ChimmyJoy March 13, 2019
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Brother,boyfriend,or any male person that is older than you
“Oppa can you please bring food afterschool
by Arttinaa October 31, 2019
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The act of slapping someone so hard they start to think they are a banana.
Dude Johnny got an oppas from jack and now he thinks he is a banana!
by MR LUAVE April 15, 2020
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Oppa (오빠), a korean word, means older brother, and can be used for several things;

For a girl to call an older male, to imply she trusts them.
For a girl to call an older male, to show respect.
For a girl to call an older male, in a flirtatious way.

This word's meaning can often be mistaken by daddy instead of older brother. Although it can be used in a flirtatious way, it isn't a way to call someone "daddy".

Also is what many ARMYs call the members of the k-pop band, BTS. I'm assuming in a flirtatious way.
The member Jungkook (the youngest) has a great dislike for being called oppa.
Example 1:

Girl: Hey, oppa! Wanna hang out today?
Boy: Oh, sure.

Example 2:

Girl: Hey there, oppa~
Boy: *Flustered* ..oh, hi.

Bonus example:

Fan: JUNGKOOKIE OPPA!
Jungkook: *TRIGGERED* I A M N O T Y O U R O P P A
by smolbeanjungkook June 29, 2018
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Oppa comes from the words "opp" which means opposition in street slang. Oppa, however, relates to the term "Black Ops" which is a covert or clandestine operation by a government agency, a military unit or a paramilitary organization; it can include activities by private companies or groups. Someone who is under the Black Ops organisation is referred to as an "Oppa"
Marcus Luces is an oppa from the Black Ops organization.
by glizzyfrompbm May 14, 2021
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Australian slang, an either abbreviation of the word opposition or coppas, commenly used to refer to ones enemy gangs or police.
Fuck the oppas, the slimey cunts can suck my dick.
by DomesticConeAbuse March 18, 2020
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