When a taxi door swings out at you in traffic you probably imagine you'll say something sharp, like 'Watch out fuck head!' Or something clever, like 'Are you inviting me in?' as you narrowly sweep past.
Most likely though, you'll say 'aannnfgghrr' and ride away feeling like you just emulated a mating baboon.
BONUS TIP: Do not succumb to the temptation to elaborate the baboon impression. Do not throw faeces. Neither should you rub your swollen red behind on their passenger window at the next traffic light.