What is Man Flirting?
A man talking to another man he's never met about common interests,business, or just to impress with the intent of becoming friends, usually leading in the exchange of phone numbers and/or business information.
That construction worker was totally just man flirting with that electrician about his truck.
Man flirting is when one man tries to impress another man through mindless conversation and self gratifying speech.
At that Sig Ep rush event, that dude was totally man flirting with the brothers.