Play yourself for a fool. Actions or deeds which are in opposition to one's own self interests.
"Don't play yourself!" yelled Jamal as DeShawn went up for a slam dunk even though DeShawn is only 5'-4" and only has a 12" vertical.
by ElMariachi1 January 30, 2017
Guy1: I'll have cereal
*pours milk in first, has no cereal*
DJ Khaled: Congratulations, you played yourself
by DJ Khaledius August 31, 2016
When you set yourself up to fail.
A little get steals candy and gets punished for it. Congratulations, you played yourself.
by TheCannon124 September 6, 2016
To mess up badly... Also, the example (taken from an Among Us clip that I cannot link).
Impostor (when he finds out he got Impostor): Oh you guys are so dead!
Random Crewmate: Alright, we gettin' his ass out first.
Random Crewmate 3: Bro, you guys are so dumb... this is just a joke.
Impostor: I literally said this last game...
Random Crewmate 2: No he didn't.
Literally everyone: Get his ass out of here!
Me: Ya played yourself.
by Da Budder Man September 20, 2020
This phrase is used when you catch a person in an outright lie. Catch a person lying to you.
Me, "Don't play yourself, I know you took the last donut!"

Other guy caught taking the donut.... Lolololol
by Old Mom January 7, 2017