'The Y word' is a term for sexual intercourse for furries, it is also most commonly known as 'Yiff'
Sally: hey snuggles, do you wan't involve the 'Y word' in our enjoyment
Snuggles: what is 'the Y word'?
Sally: it's the term for Yiff, in other words fuck me!
Snuggles: I will rub my furry hand on your anus and then i'll Yiff you.
by @lel. fu August 20, 2019
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