I used to hate the slowing effects now i abuse it with my casanova and trapper/freeze rifle. Really hate the random bug where you can't jump after getting hit with a slowing effect.
Tbh, I don't have a problem at all with Big Buddy and to avoid GL I play on med or xl maps. I hate your choice in...
Hate: Dark Mage UP2, Ghost Lantern UP1, Smart Zooka UP1
Super Duper Hate: Power Pistol (hate getting it in Hunger Games because I do 10x better with any other gun)