Tummy Sex 

When two people love each other very much and feel comfortable around each other, tummy sex tends to happen. An individual lies down whilst raising his or her t-shirt whilst their partner either topless or also raising there t shirt lies on top of them rubbing rhythmically back and forth. This is tummy sex. The origins of tummy sex are unknown, possibly dating back to the Roman times, though it wasn't observed fully until 2010 when in london zoo the act was carried out shameless in the full view of the public.

Person A: "Come here Mr. Tummy and have tummy sex with me!!"
Person B: "ok, yeah, lets have tummy sex"

Tummy Sex by lemons12334 July 11, 2010

dyno tummy sex 

Having intercourse with ones naval.

I needs to get a fatty so I can get me some dyno Tummy Sex.

dyno tummy sex by Pubu May 15, 2006

Dino tummy sex

Dinosours are often loud and clumsy.
This act must be made with a larger female, allowing insertion of the penis into the fat rolls formed when female is on her hands and knees.
Dino tummy sex refers to the clumsiness of dinosours, often sideways humping each other.

"Did you hear John and laura last night?"
"They must have been having dino tummy sex"

Dino tummy sex by A. Reynolds August 16, 2006

Have sex with Tommy day

A day when a girl has sex with a boy named Tommy

I’m gonna fuck Tommy in have sex with Tommy day

Have sex with Tommy day by NooooobMastersixtynine69 October 13, 2020