Definitions by Anime gaming Japanese

Tail boner 

When a characters tail from a video game/ anime Rises Up Like a normal boner

Hot guy or girl Hey! You look cute ;)

CatGirl * blushes * Th..ank you * gets tail boner *

Hot guy or girl : Did you just get a Tail boner?

Catgirl: NO BAKA!

Tail boner by Anime gaming Japanese January 27, 2020