Back him up out of your space when he does that
don't let him do it! haha punish him when he goes to bite/nip. give him a little tap/smack before he can actually bite you (like when his head it turned and he is about to bite). he will learn that biting = punishment.
side note- had the same problem with my TB and using the advice I gave you above, he no longer bites (:
Lol yes he is my horse. And OK thank u 😁
I'm assuming Tyco is your horse. If he goes to nip at you I would flick him on the nose and say tsk ! Or no!