Invisible Dick 

a non-exsisting dick. A girl might use this term.

"Kara: gawdd hes so annoying"
"Ashley: mehh he can suck my invisible dick"

Invisible Dick by Kar Ash February 17, 2009

Invisible Billy’s Dick 

Invisible Billy from asdfmovie’s penis

Kid 1: Pretends to suck on an invisible dick
Kid 2: *laughs* suckin on dat invisible dick
Kid 3: It’s Invisible Billy’s Dick
Kid 2: *laughs even harder*

Invisible Billy’s Dick by weeby mcweeberton April 10, 2022