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Acronym for "testicle, left, suck it." Both the acronym and the statement itself should be used as a response similar to "suck my dick." If the full statement is used, it must be said slowly and with distinct pauses between each comma.
Nate: Yo, Jamal! You see all dem bitches I was wit last night?
Jamal: TLSI, Nate. TLSI.
TLSI by WilliamForrester August 27, 2011
Related Words
Too late seen it. often used online when someone links you to an image what you've already seen.
Guy1 "Hey dude check out this cool image"
guy2 "TLSI"
TLSI by Jezaroo_666 January 20, 2008

TSIWKBDWIMI 

the folder with a big name that you have to make in your email; "The Stuff I Wanna Keep But Don't Want In My Inbox"
I don't want this cluttering up in my Inbox, but I wanna keep it. I'll just move it to TSIWKBDWIMI.
TSIWKBDWIMI by Julia Sooch May 8, 2011
Spidey sense for evading poop on the street, canine or otherwise.
When walking in NYC or LA, you need shitdar.
Shitdar by Sickomonster June 3, 2026
Word of the Day on June 6, 2026

Shackteâu

A Shackteau is a humble, weather-beaten, structurally questionable shelter located in a spectacular or highly coveted place—Wales, Jackson Hole, Sun Valley, Crested Butte, coastal Maine, the Alps—where the building itself may be worth almost nothing, but the dirt, view, access, and mythology make it absurdly valuable.
In use:
Shackteâu - We thought it was an abandoned shed until the realtor called it a rare alpine Shackteâu with unobstructed views and listed it for $2 million.
Shackteâu by ez-dog June 4, 2026
Word of the Day on June 5, 2026
Sonion comes from a GIF that is a mix of the word son and onion ( if you use this slang you like dih)
Man 1 says "I drank last night I need a break" Man 2 "Sonion"
Sonion by popularloner67 March 11, 2026
Word of the Day on June 4, 2026