To have sex with a midget (dwarf, elf, small person, mini-me, etc.) by lying flat, positioning them on your cock and spinning them until you cum.
"I see you have a kid, how'd that work with her tall father?"
"We did a midget spin"
"...Wanna go for a spin?"
"We did a midget spin"
"...Wanna go for a spin?"
by DRCBTS January 1, 2009
George: So Cecil how was your weekend?
Cecil: Man, it was so fking awesome. I was midget spinning all the time.
Cecil: Man, it was so fking awesome. I was midget spinning all the time.
by A fluffy ball July 21, 2017