The subject of conversation, is in such dire condition that any attempt to fix it is futile. A variation of the expression you can't polish a turd.
delusional mayor: The Chamber of Commerce and I will revitalize downtown Hazleton.
honest person: You can't shine shit, Mr. Mayor!
honest person: You can't shine shit, Mr. Mayor!
by Cunty Fresh Fanatic December 1, 2010

When a known douche tries to change something about himself but his inner douche still abundantly shines through.
by kajoe June 16, 2011

A statement following the exclamation, "Oh My GOD!", that one is most likely to hear after throwing one's self at the ground and missing. See throw yourself at the ground and miss.
If you have thrown yourself at the ground and missed, it is vitally important that you do not believe the statement, "you can't possibly be flying", when you hear it. Otherwise, you will suddenly discover that it is true.
by Downstrike May 23, 2004

by misstara007 September 18, 2021

OMG I told Alyssa to keep the engagement a secret but she blew the surprise. I told her "you can't hold water damn"
by Ladycola September 3, 2016

You can't smell me
by Normal Morman August 29, 2010

Guy 1: I don't think it's bad to eat late at night.
Guy 2: It says in here that it is bad. You might gain weight too.
Guy 1: I don't care, it's just some random website.
Guy 2: Man, it's the Internet. You can't beat the Internet.
Guy 1: I guess you're right.
Guy 2: It says in here that it is bad. You might gain weight too.
Guy 1: I don't care, it's just some random website.
Guy 2: Man, it's the Internet. You can't beat the Internet.
Guy 1: I guess you're right.
by Lolquoi February 21, 2011
