Commonly used in RTS games, LOS stands for Line of Sight, or how far something can see or weather it can spot something from where it stands.
It has a LOS of 4, it can see 4 squares in front of it.
by Out of Sight June 23, 2004
I got with 2 girls last night." "Swag." "I think one of them was my sister though..." "LOS.
by UnderArmour4Always March 11, 2011
Legs On Shoulders during sex.
Joe loves to have LOS with Rose.
by 2Sharpe July 20, 2009
Steph: I'm so horny today

Davis: You're suffering from LOS Steph
by T_B_22 June 14, 2011
noun-

Describing something that is a Load Of Shit.
Eg.
Lea: Those exams were such a LOS
Toto: OMG I know so happy there over

Eg.
Daphnie: My friend told me she got laid!
Jeremy: brrrt what a LOS!
by Toto van Lea October 29, 2010
Log on Sight, A popular phrase to use in rouge lineage and it means to leave the game on seeing a player in sight.
There is a faceless nob LOS now
by iiRainbow101 January 11, 2020
Stands for: lack of sex. Its what happens to fat people because we all know sex burns about 360 calories an hour.
wow she is so fat i bet she has LOS...or maybe she just eats during sex...
by katathepark March 15, 2007