What is Flexisexual?
1.
"Psh, Karl's so flirting with that straight guy over there, he's gonna get fucked up."
"No way sweetie, he's so flexisexual that Karl might actually get some action."
See
2.
A girl that is bisexual only on weekends
A girl is Flexisexual when they will only hookup with other women on weekends
See