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What happens to you when you start nodding off and then you jerk your head back suddenly. Happens a lot when staying on the computer too long. Very dangerous if driving.
If you didn't get enough sleep, and you're driving, please pull over at the first instance of naplash. If possible, get coffee or walk around, or take a proper nap.

I was trying to play SWG the other night, but one of the people in our group kept disconnectin, and I started sufferin naplash.
naplash by Leif April 7, 2005
Word of the Day on May 18, 2005
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The act of going to sleep for a very brief period of time then waking up suddenly, whipping your head to the upright position.
"I was having a lecture on the political system of Nicaragua, within seconds I was getting naplash"
naplash by ajt May 19, 2005
Related Words
The repercussions from the era during which you downloaded, carefree, gigabyte upon heaping gigabyte of free music from Napster.
1: Dude, I just got an email saying that Roy Orbison's wife is suing me for downloading "Pretty Woman" in 1999.
2: Bummer, that's bad naplash.
naplash by William Segal May 19, 2005
Noun (From nipple + whiplash) The tugging of the breast when a nursing baby turns to look at something behind him/her while securely latched on. When a baby decides not to take a break from nursing and suddenly and energetically jerks her head around to look up down and all around the room (still firmly latched onto your breast)
Baby dad burst into the room suddenly while I was nursing and I got a severe niplash.
Niplash by Babymama32 September 8, 2013
Painful bouncing of the breasts that usually occurs when jogging while not wearing a bra.
I ran downstairs to answer to door in my pajamas and I got the worst niplash.
niplash by dulcinator January 10, 2013
A strong independent person. Always has someone’s back. Doesn’t give up on someone right away. Funny. Always makes someone laugh. Is always there for a shoulder to cry on. A good bestfriend.
You should be more like Nalasha, we need more of those.
Nalasha by suck a toe 22 September 25, 2018
Niplash (n.), when her titties smack you in the face during sex.
Person 1: Dude! I got total niplash from this baddie last night!
Person 2: Nice!
Niplash by yeti_in_ beddi September 23, 2020
More from Urban Dictionary
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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