Shitly is a synonym of shittily.
As adverbs the difference between shittily and shitly
is that shittily is in a shitty way while shitly is terribly; extremely poorly.
shitly
English
Adverb
(
en adverb)
(vulgar, extremely, rare, chiefly, UK) Terribly; extremely poorly.
Synonyms
* shittily