hairy winston - When you poop in your hand and slap it on your lover's head

When you poop in your hand and slap it on your lover's head or your own head while you're having sex or right after.

I did a hairy winston on my girlfriend and she said I was the most disgusting man she ever met.

He did a hairy winston on me during a date and I had to go to the bathroom twice.

She did a hairy winston on me and my dog started laughing at me.