yer

Etymology 1

Most likely from the intrusive R, between "yeah" (/jəː/) and a non-high vowel (/ə/, /ɪə/, /ɑː/, /ɔː/). For example, "Yeah-r-I know" (/jəɹ ʌɪ nəʊ/)

adv

1. (UK, slang or dialectal) Pronunciation spelling of yeah, yes.

Etymology 2

Borrowed from Russian ер (jer).

noun

1. Either of the letters ъ and ь in Cyrillic alphabets, which originally represented phonemically the ultra-short vowels in Slavic languages.

Etymology 3

From you.

pron

1. (UK, slang or dialectal, uncommon) Pronunciation spelling of you. (plural or singular)
   Thet one in the Formosa Channel was tremenjus. The velocity of the wind tetched a ’undred and forty mile,—so it was computed at Taipei,— arfter which it blew the wind gedge away. Yer need a string to yer ’at in a breeze like thet! April 13, 1916, Oswald Kendall, “The Romance of the Martin Connor”, in The Youth's Companion, volume 90, number 15, page 198, column 2
   'Still, yer got nice looks,' said Ella. 1992, Mary Jane Staples, Sergeant Joe

det

1. (UK or Southern US, slang or dialectal) Pronunciation spelling of your.
   'Make yer way down to the station,' he said. 1991, Thomas Hayden, The Killing Frost, London: Random Century Group
   Old Lady: 'HOLLER AT THAT FELLER IN THE CHEST DOWNSTAIRS. IF Y'NEED CARDS, HE'S YER MAIN MAN, HEH HEH!' 10 December 2019, Yacht Club Games, Shovel Knight: King of Cards, Nintendo 3DS, level/area: House of Joustus