titty

¹

[ tit-ee ]

noun

, Slang: Usually Vulgar.

, plural tit·ties.

1. a breast or teat.

titty

²

or tit·tie

[ tit-ee ]

noun

, Scot. Informal.

, plural tit·ties.

1. sister.

Word History and Origins

Origin of titty¹

First recorded in 1740–50; tit ² + -y ²

Origin of titty²

1715–25; perhaps originally form of sister in children's speech