uggle

• aggl, ugle

From Norwegian alka (“dirty; defile”)

uggle (third-person singular simple present uggles, present participle uggling, simple past and past participle uggled)

1. (Shetland, obsolete) To make dirty.
   • 1898 August 27, Shetland News:

     Lass, doo'll ugle dy cleen cot, couldna da tooel dü—?

• besmear, besmirch, defile, dirty, smirch, soil, sully; see also Thesaurus:dirty

• Wright, Joseph (1905) The English Dialect Dictionary‎, volume 6, Oxford: Oxford University Press, page 298
• “uggle” in the Dictionary of the Scots Language, Edinburgh: Scottish Language Dictionaries.

• Gelug, Gugel, gugel