Acronym for "Legendary All Skulls On". Usually a challenge found in the video game, Halo: Reach.
These LASO challenges are ridiculous." "I know! POA took me over 2 hours to beat!
by JB413 June 13, 2011
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Legendary. All. Skulls. On.

Acronym came about upon the release of Halo 3. Hidden Skulls can be collected during the campaign, which unlock toggleable difficulty options before starting a level, such as no hud enemies have twice the health, throw grenades more often, etc. LASO refers to when someone plays through a level or the campaign on Legendary mode (the toughest difficulty setting) in addition to having all of the Skulls turned on. A grueling and many times insurmountable challenge.

This acronym can also be used as a generic video gaming term, meaning to play through the game on the hardest difficulty, while applying self imposed rules that handicap the player character's effectiveness in combat. Ex: I may only use the lowest class of weapons, no grenades, avoid EXP gain at all possible, etc.
Guy1: Where's Bennie? I haven't seen him in 2 weeks!

Guy2: Oh he's stuck in his room, trying to complete a LASO challenge vid for YouTube. Poor kid.
by ScottamusPrime May 29, 2011
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The act of holding a girl upside down with her legs under your arms then inserting your penis inside her while jumping up and down and turning a 360. It works best with large breast, but flat chicks work ok too, the effect just isn't as great.
Too people doing the hanging titty laso
by big puppy February 19, 2012
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The hardest challenge I've ever seen, completing this means you become the God of halo. This is a challenge in which you put the difficulty on legendary, then turn on a skull except envy, laso stands for legendary all skulls on. Jervallin the god of halo completed this on August 2022 in which not only did he ascend himself he won 20000 dollars from m0ist cr1tickal which is the only reason jervallin took on the challenge. Watch at least the ending to his stream its soo wholesome
Did you even attempt your hw?
Can't now halo 2 laso
by NotBadNotGood December 21, 2022
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When you put a bolo tie around your ball sack to make it look like a gentleman
Burt Reynolds said to use his bolo to give yourself a texas laso while getting a mustache ride.
by Birtreynolds12 October 11, 2020
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