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'Grethan' is the ship name for the YouTube twins Ethan and Grayson Dolan. Fans ship them either as a bromance or romance, the most popular and accepted one being the former.
I ship Grethan, I think they'd be a cute couple.

Ew, why do you ship Grethan, they're brothers!
by grethan98 December 25, 2017
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Grethan is a ship that should be more widely accepted though it is incest based.
"how could someone ship Grethan? They're brothers!"

"it doesn't matter, they're cute!"
via giphy
by dolannnnnnnn June 06, 2018
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Grethan is the worldst weirdest ship on the internet between twin brothers Grayson and Ethan Dolan. Neither of them are gay.
Omg i totally ship Grethan

I think Grethan should be a real thing
by Dolangirl1216 January 18, 2017
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