What does flex mean? - The Slang Dictionary.
The word "to flex" has one of two meanings according to the Urban Dictionary.It can mean to show off, to boast, or to put on a fake front, which is the most popular definition of the word.
When a guy flexes, what does it mean?A man thinks it's going to be impressive if he flexes his muscles at you.If a guy is flexing his muscles without knowing whether or not you're into that, he's probably more interested in what he thinks will impress you than what will actually interest you.
Weird (or odd) is a sarcastic response to when someone brags about something.
Flex means to bend or tense a body part, or to show strength.To bend the knee is an example of flex.To bend something.To bend one of the joints.One's muscles are used to move part of the body.The muscles are tightened for display of strength or size.