When a woman has very large or bucked front teeth and you are afraid that she will scrape your penis while she is giving you a blow job.
After seeing her smile, all he could think was that she would give "toothy head."
by Archeo Bob March 12, 2011
1 more definition
A person not well experienced with fellatio; often scrape their teeth over the tender meatus of a penis head.
Betty Lou was not very good giving Tyrone head. She scraped his meatus while giving him toothy head.
by Richard Black March 02, 2005