Sheith is another word for a condom. Sheith can also be used as an insult. The word was created in the United Kingdom, in Lymm Village in the County of Cheshire.
Brad didnt use a Sheith with Angela and now she is pregnant.
Person 1: Oh my god, Shiro and Keith are so in love.
Person 2: I know right! It’s like that can’t get enough of each other.
Person 3 who no one likes: Ew that’s incest, gross, Keith called Shiro his brother!
A person who ships sheith and claims to be a pro shipper, but harasses people who ship things that interfere with Sheith such as Adashi, Curtashi and Klance.
Person 1: Oh, they're pro sheith
Person 2: Are you an anti?
Person 1: No, that means they hate curtashis.