Well I guess I use a normal mouse, don't really know what kind of mouse constitutes as a "big" though lol. Anyway I use a MX Revolution BT. And tbh, it kinda sucks; drops out whenever it feels like it.
Since i play osu! i have my 3rd mouse A4 Tech(shittest mouse ever) it is a little bit larger than average mouse,i had a little bit smaller mouse than the average , and also i had i a normal mouse ))..now i got tablet..