bro: yo, you into that girl? bro #2: nah dude, she's been bro-sidelined cause of bro #3
when a bro has no interest in a female due to his bro's past or present feelings for her
"bro: yo, you into that girl? bro #2: nah dude, she's been bro-sidelined cause of bro #3" What is the definition of "bro-sidelined"?