Sometimes written as bl*nkshipper, a blankshipper is a word used to describe people who ship the characters Emmet and Ingo from Pokemon, who are canonically brothers.
to be infertile and unlikely to impregnate a woman by having sex with her (from a term used to describe the firing a gunloaded with bullets designed not do harm to the target)
(v.) Shooting a gun loaded with 'blank' rounds that create smoke and noise, but bear no fruit from the barrel.
(v.) Ejaculating/shooting a penis which is impotent (the seminal fluid cannot contain sperm, hence it is 'blank'). After the owner of the penis going through the motions and making noise no fruit is born of the barrel.