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.
Ash Kash is the only know master of the triple decker dick plunger cockhoover double handed head swirler saliva slurping soul sucking 5000 special move combo that is currently living. Predecessors pass this move down the most talented pupil.
Bro 1: Bro! Ash Kash just pulled of the triple decker dick plunger cock hoover double handed head swirler saliva slurping soul sucking 5000 special move combo
Bro 2:No way!