uwuphobia is like
homophobia- those who have the phobia are either afraid of "uwu"/"owo", or they just flat out hate it. usually, you can see people making uwuphobic jokes about them. like "UWU
SENPAI-CHAN UWUUUU KAWAII DESUUUU NYAA~~~~", "i am
furry uwu, nya~", etc. but if you're actually like that, sORRY-