doy

1. Disdainful indication that something is obvious; see duh.

   —Wow, he looks pretty angry. —Doy!

   2 more examples

   Uh, doy!

   2015 March 6, “Kimmy Has a Birthday!”, in Unbreakable Kimmy Schmidt, season 1, episode 9, spoken by Kimmy Schmidt (Ellie Kemper)

   This sucks. I have no idea where I want to go to college, and Ms. Whitaker's making me decide right away. But how? There are so many colleges. How does anyone decide? / Easy. Pick the school with the best chick to dude ratio. Doy.

   2018, Robia Rashid, Dennis Saldua, “The Smudging” (11:09 from the start), in Pam Thomas, director, Atypical, season 2, episode 7, spoken by Sam and Zahid (Keir Gilchrist and Nik Dodani), via Netflix

   Synonyms: obviously, duh, no duh, no shit, no shit, Sherlock, you don't say, no kidding

plural doys

1. YorkshiredialectalendearingA term of address to a young child.

   Whear is thi' Daddy doy? Whear is thi' mam? / What are ta cryin for, poor little lamb?

   1872, John Hartley, “A Hawpoth”, in Yorkshire Ditties: Second Series, Wakefield, West Yorkshire: William Nicholson & Sons, page 112

   1 more example

   […] an' then as aw caught seet o'th' three little doys 'at wor crooidled up i'th' winder corner, tryin' to keep warm, ther little nooases lukkin like three half-ripe cherries wi' a drop o' dew glistenin' on 'em, aw thowt, better net just yet for their sake.

   1886, “Sweep! oh! Sweep!”, in Yorkshire Tales: First Series, London: W. Nicholson and Sons, page 30

1. A surname.