Superman Cape 

The act of jizzing on an individual's upper back and sticking the sheets to their back and let it dry to make a cape.

It hurt to take off the superman cape after a long night of hard fucking.

Superman Cape by Drew P. Weener May 28, 2009

don't tug on superman's cape

Attempting to do something that can't be successfully done; a pointless act

Don't tug on Superman's cape, don't piss in the wind.

don't tug on superman's cape by Ash Kadamatez April 6, 2017

Post-it Superman dat hoe cape 

Its when you don't have the time or effort to go through with a complete supermanning of that hoe. So you put a post it with a little superman symbol on it, so it looks like a mini cape.

Guy 1: Did you superman dat hoe?
Guy 2: no, I didn't want to whip it out in the office, but I gave her a Post-it Superman dat hoe cape.
Guy1: That's fucking tight!

Post-it Superman dat hoe cape by Crunchyness June 1, 2009

Supermans Cape 

The piece of skin between the male testicals and his ass.

Wow, that supermans cape is so hairy.

Supermans Cape by Johnny Smith January 30, 2004