Ice cream float 

When you are left without option and must urgently defecate in a urine filled toilet. The resultant coup de gras being a stranger's urine is now splashed upon your ass.

After contracting the rotavirus on a cruise ship, Sergio opted out of the dessert buffet line only to have a stranger serve him up an ice cream float in the galley bathroom.

Ice cream float by Nosferatu October 31, 2019

Ice-Cream Float 

Where you coat you penis in ice-cream then proceed to slap you female companion in the face with said cock.

Ryan:- Yo dude, I gave Stacy the fattest Ice-Cream Float ever last night!
Bailey:- My man!

Ice-Cream Float by DickSmasherMcIronCock March 3, 2018

Alaskan Ice Cream Float 

When you proceed to ejaculate and take a dump in a glass, then shake up a soda. When having intercourse with your partner, you open the soda into her pussy and quickly throw in the ejaculate/feces combination.

John: What ever happened to your girlfriend Sally?
Mike: I gave her an Alaskan Ice Cream Float, and she never called again.

Alaskan Ice Cream Float by Manuelmatthew July 1, 2011