why does most slang for ‘vagina’ sound the exact opposite of appetizing?

‘twat’ ‘cunt’ ‘cunny’ ‘snatch’ ‘pussy’ ‘cooch’ ‘cooter’ ‘poon’

NONE OF THESE SOUND PLEASANT IN ANY WAY

WHO THE FUCK CAME UP WITH THESE UGLY-ASS EMBARASSING WORDS SO I CAN SLAP THEM FOR MAKING MOST PORN A TURN OFF