dirty dead unicorn 

The act of a wife killing her husband and cutting his dick off. Then proceeds to sew it on his forehead and ride his dick like a unicorn horn while simultaneously shitting in his mouth.

My wife is going to dirty dead unicorn me if get another hooker pregnant.

dirty dead unicorn by NecroUnicorn September 20, 2018

Unside-down dead unicorn 

When you and your partner get on the top bunk of a bunk bead with rails and the receiving partner assumes doggy style and the delivering partner does a handstand and leans the package into the desired hole while convulsing and making horse noises

"Omg. Becky, kyle and I did the Unside-down dead unicorn last night on the top bunk and it rocked my world"

Unside-down dead unicorn by CerberusX01 October 16, 2021