To surrender, especially in a way that abandons principle and reverses course because of pressure, criticism, etc.
That Dave Chapelle comedy routine started out edgy, but then he decided to cuck out at the end with all that politically correct virtue signaling.
by Tochterlieber March 31, 2017
Get the cuck out mug.A guy who is so desperate to impress or score brownie points from a female, he will use, put down and trash his friends in front of the target he is trying to impress.
"Dude was so desperate to be validated by his gf, he treated his best friend like shit hoping his gf would be impressed. What a cuck-out"
by eeesam August 19, 2019
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