2. Could be used as a title to show that you idolize a man.
2. God, Cole Hamels is so awesome, he is my man crush.
"Yeah, we played twister and scrabble and watched movies, and spent all night talking, bizzatch."
"Dude, you're 35, acting like you're 12, and you're using his language. You've got a man crush."
A 'man crush' can basically be described as not a homosexual lust, but a human lust.