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Nightlight 

A tool commonly used by children under the age of 8 to scare the piss out of the boogeyman as he creeps out of the closet. Causes burning of the scalp, eyes, and genitals.
John's nightlight really helped him get to sleep.
Nightlight by Kyleddeck August 27, 2008

nightLight 

kids use this to keep away nightmares. this variant of the word shows how even in the roughest times, the light outshines the darkest night
i still use a nightLight when i sleep.

same. i can't sleep without one
nightLight by OriginalHomie May 19, 2019

nightlight 

A small dim light that is left on all night when people need to find their way to the bathroom.
They turned on their nightlight.
nightlight by David March 7, 2004

nightlight 

A stub signal left behind in an old format for users who have yet to convert to the new format. The term comes from the SAFER Act, a US law allowing analog TV stations to keep broadcasting information on digital conversion (and, in some cases, local news and emergency information) after the station has otherwise gone all-digital.
I tried running some old Mac software on an old Mac, but forgot the software I was using was PowerPC-only. Good thing the nightlight box popped up; now I have to go find my PowerBook G3.
nightlight by Lady Csyde February 18, 2009

Nightlight Clown 

Proverbial creeper. Stalker. Pervert. Invalid. Not having any personal essential attributes or qualities. Idiot of the "people" of America! Basically, one of you! And one of me. And one of of poo and one of pee!
The nightlight clown of our little Ole town came down from his roost to get his extra boost, yet what he got is clearly only POOP!
Nightlight Clown by Doododuboobear February 25, 2023

Dirty nightlight 

When a guy and girl are fucking and come across a nightlight that could be used as a butt plug
Damn I heard that they figured out what a dirty nightlight was last night
Dirty nightlight by Balls December 4, 2022
More from Urban Dictionary
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
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