dookie boner
A Dookie Boner is when one finishes the act of pooping and notices that they have an erect penis.
Paronk: Man the weirdest thing happened to me. I was pooping and when I stood up I had a boner
Tommy: Bro you had a dookie boner I get them all the time
Tommy: Bro you had a dookie boner I get them all the time