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it means 'see you later' but said really quickly so it sounds basically like sleh
'"bye lad"
"sleh!!"
sleh by midgetwelshwoman November 6, 2011
Related Words

Da shi sleh 

Ending lyrics of the greatest song of all time
Swimbert: Da shi sleh
Da shi sleh by Strahinja.Anton January 10, 2021
Abigail’s way of trying to the sav to sleep while Katelyn is dying of laughter all in a instagram gropchat
SAV GO SLEHEP
Slehep by Abu369 June 5, 2021
Jimmy go slehpeh!
Slehpeh by A.goner. January 21, 2016

Šlehaři 

(pronounced Shleharshi) is a Czech slang word for a group of people including thots, fuckboys, flirty girls and douchebags of all kinds.

Especially the ones who try to act extra cool, are super dominant at schools and between teenagers.
Nerd: "Bro this new group are totally Šlehaři."
Weeb: "Bro yeah, they're such a group of arrogant douchebags."
Šlehaři by HrisnyAndilek May 1, 2019

Sleheadache 

When you feel so sleepy or tired that it causes a headache or makes your head hurt.
“Oh my god today was such a long day, I should’ve gotten more sleep last night. I def feel a sleheadache comin’ on!”
Sleheadache by sleheadacheluver63 September 23, 2021
More from Urban Dictionary

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
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026

Respectfully 

Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.

After school, The Modells on Jamaica Ave was active. Respectfully.
Respectfully by john quan the first December 20, 2020
Word of the Day on September 26, 2026

You met me at a very Chinese time in my life

A moment in time where you feel distinctly Chinese over all other things.
Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."
Word of the Day on September 25, 2026
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