How to Kiss a Hippo to Death

So you land next to the necromancer in melee with him. You can make one attack roll with your bite attack. 11 plus five is a 16. That is just enough to take half damage from the fall. So do you think you could kiss this guy to death? 100% if you try to kiss him, I sayYou can try to deal damage by kissing him and you can try to deliver the ghoul blood to see if you can paralyze this guy perhaps.