To flex means to boast or show off about something. The phrase 'weird flex but ok' is said when someone proudly boasts or brags about something that most people would find either awkward, irrelevant or just plain weird. It's usually stated in a dismissive fashion.
Girl 1: "I'm dating my firend's dad, if we ever get married I'll become her stepmom!"
Girl 2: ... Weird flex but ok.

Person 1: "Yo, I finally hooked up with my cousin on Thanksgiving."
Person 2: ... Weird flex but ok.
by SirNikSerof January 12, 2019
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Something you say when someone says somethong weird or you just don't really care
James:me and my girl like to suck each others dick
Me:weird flex but ok
by Reeeeeeoooooof November 06, 2018
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A subtle, awkward, brag. Usually done unintentionally, out of custom.
- "I think these pants are a bit too tight; There's such a noticeable bulge around my junk area. It looks weird, doesn't it?"

- "(Uhh), Weird flex but ok"
by H.E. Hockeysticks II November 13, 2018
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When someone is obsessed with panda bears
L: "I am completely obsessed with pandas"
M: "Weird flex but ok"
by Yyyyyyouth June 07, 2019
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Used in reply to something odd or weird that you wouldn't agree with or understand, but go with anyway.
Someone: Mindy and I like doing it when it's that time of the month for her because I think it's lowkey sexy y'know?
Me: Weird flex but ok
by 45kgs October 27, 2018
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originally meant to be used in response to someone who mentions something odd that they do or have done, the phrase has quickly become overused and obnoxious.
Correct usage:

DeShawn: I like to let a girl know when I've masturbated to her.
Jerome: Weird flex but Ok.

Common usage:
NFL Instagram: Bradshaw McPeterson is out for the season with a torn ACL
Idiots in the comment section: Weird flex but Ok

Jake: My wife went to the doctor and we found out she's having a child!
Dustin: Weird flex but Ok
by ur banned dictionary admin November 15, 2018
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