When an individual wakes up at nighttime with an unwielding need to poop - the result is a sprint to the toilet where one hopes to make it before defecating in the pyjamas.
by TimmerOU812 April 23, 2017

A urological complaint: involuntary urination after the age at which bladder control usually occurs or by immature bullies when excited or provoked.
Dr: "Sorry, but your son has nocturnal enuresis."
Mrs MarillionFan: "Is it serious?"
Dr: "Oh no, madam. It is very, very funny.
Mrs MarillionFan: "Is it serious?"
Dr: "Oh no, madam. It is very, very funny.
by MarillionFan's mum March 27, 2011

A rainbow that occurs very rarely at night when it rains on a full moon. This is rare because the moon is not as bright as the sun.
-Dude were you looking outside last night.
-No why.
-There was a sick ass nocturnal rainbow, it was really faint tho.
-No why.
-There was a sick ass nocturnal rainbow, it was really faint tho.
by The Capital-ᙠ August 2, 2016

While you are sleeping, your mini-me decides to give his trumpet salute which leads to some unwanted secretion laying on your belly.
by Buzzzzzzzzzz August 10, 2006

by GaribaldiTheConqueror February 1, 2021

A boy, or possibly a girl, who, while watching a girl, sees every move that she makes as something sexual.
by Norton Johnson December 7, 2006

When someone is sleeping and they have a dream or thought of themselves getting hurt or falling, and their body physically reacts, and causes them to jerk or flinch rather spasmodically.
Guy: What the fuck tracy, you kicked me in the balls last night in bed???
Tracy: sorry, i had a bad dream and probably got a nocturnal flinching.
Guy: go fuck yourself, we're done.
Tracy: sorry, i had a bad dream and probably got a nocturnal flinching.
Guy: go fuck yourself, we're done.
by yuriogy1 December 5, 2009
