toothy /ˈtuː.θi/ adjective2 •Having prominent teeth.Their ties were tidier, their houndsteeth toothier … they ended up looking more Windsorian than Windsor. — 1970 •(slang) With the fellator's teeth scraping the fellatee's penis.Hot take, maybe I'm a bit of a masochist but I enjoy some toothy head from time to time. formstoothier · toothiest