Helioscopy 

Blowing sunshine up one's ass

I'm not trying to give you a Helioscopy man.

Helioscopy by Wendy Derk May 29, 2008

heliocoppeter 

A helicopter that uses helium and copper to fly. Used in 1500s

My heliocoppeter only flew for about 5 minutes

heliocoppeter by aha ha same November 21, 2019