The origin of this word is extremely simple and in most ways unique too. Coined for the first time in the early 2013 and also at times in the late 2012; Made by the combination of the words 'Shrink' which basically means a psychiatrist or a psychologist or in much easier terms a therapist in the United States and the other half of the word is a common usage of what explains a person of their profession, much like psych-iatrist.
Tom: I feel so sick with all these emotions and baseless allegations; got no clue as what to do!
Harry: Hey bro, why don't you meet a Shrinkiatrist!? Last time i had some recommendable advice and it worked to a lot greater extent.
When instead of wiping your ass after shitting, you push your penis through your legs and piss on your asshole, successfully cleaning yourself from left-over feces residue in your ass-crack
The act of putting rainbow color sprinkles up the head of the penis while jacking off to your partner and sprinklingthe rainbow color jiz on their face.
The act of holding a woman over ones shoulder, finger bashing her vagina till she is ejaculating.The giving partner procedees to spin on the spot,spraying female ejaculate around in a sprinkler pattern.