Heelius 

The uncomfortable mark around one's waistline due to tight underpants elastic.

You've been out all day in the summer sun and your underpants elastic is irritating you. When you get home you notice it's left a mark, or heelius, around your waist.

Heelius by borntaloze June 24, 2009

Heselius 

A person with a huge cock

Damn that Heselius is packing a real treat

Heselius by PhysicLayers September 8, 2023