Cage out 

When someone who used to be really cool and do lots of interesting things begins to become lame and/or boring, as Nicolas Cage has done with his recent movies.

person 1: I need to find something new to do on Friday nights

person 2: Why's that?

person 1: Well it used to be that I went to Sheryl's parties on Fridays but they've really started to Cage out over the last couple weeks.

Cage out by andstuff July 7, 2011

Out of the Cage 

A synonym for wild. It means crazy or insane. Usually super fun.

(While snowboarding ) "Duude that jump was out of the cage"

"That trip was so out of the cage"

Out of the Cage by Kiddooddle April 18, 2018

The tiger is out of it's cage 

When you get a boner in class

Guy 1:"can you grab me that paper up front?"
Guy2:"nah the tiger is out of it's cage I can't stand up until it's returned "

The tiger is out of it's cage by Ljones23 January 20, 2017

Get the bird outta' the cage 

Can be an expression of excitement or bewilderment for something truly extraordinary, including doubt of its sheer existence.

: Did you know that one cigar shaped asteroid was actually an alien ship?
: Get the bird outta' the cage! No way!

Get the bird outta' the cage by ultrabrick November 7, 2018