1. Crazier than bananas and tighter than spandex.
2. The phenomenon in which the wearer of spandex has an insatiable craving for bananas.
1. Oh damn homie! Ya heard that new heater by Smiggy Balls? That shit is BANANDEX!!!
2. Yo Banana Boy! Come over here and help a girl out... This wedgy is giving me the banandex!