Top Definition
The sexual relationship between two or more male hedgehogs.
Fangirl 1: Oh my god, Shannon, look at this hot hedgeyaoi I just found on dA!

Fangirl 2: Oh-em-gee! Shadilver is totally fucking hot!
by xHazelEyesx April 02, 2009
11 Words related to Hedgeyaoi

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