When someone is doing an upper decker and the person on the lower decker is is giving head and takeing a shit at the same time.
by sick mo'fo December 07, 2012
by DaddyFatSizzles March 29, 2011
Shelbe: can I borrow your double decker biscuit I need inspiration for my art project
Isabella: I ate it
Isabella: I ate it
by Ktvtjvtivtiv October 05, 2017
a rather, obscurely large penis. it usually has the size of about 5 double-decker buses. double decker dicks are uncommon, though some males have one much similar. for an example, brown's big wanger.
person: hey, did you see that double decker dick on the news?
person 2: yeah! it was so massive! but not as big as brown's big wanger.
person 2: yeah! it was so massive! but not as big as brown's big wanger.
by dabmaster11037 December 18, 2019
The act of taking two perverts, preferably of the same sex, and laying them on top of eachother while tying their arms and legs together and letting them do as they please.
Trade marked by Tyler Coley™️
Trade marked by Tyler Coley™️
by Ty.Coley November 09, 2018
A sandwhich that has three pieces of bread and two layers of filling.
Bread
Filling
Bread
Filling
Bread
Bread
Filling
Bread
Filling
Bread
A Double decker sandwhich has three pieces of bread and two layers of filling.
Bread
Filling
Bread
Filling
Bread
Bread
Filling
Bread
Filling
Bread
by tilley123456 January 04, 2014
When a male is having intercourse with a female then the male sticks his penis into the vagina whilst his tong is also in the females vagina
by 123456789qhhhhhhhheyxbsu May 20, 2021