LMSO
LMSO is commonly used in chat to express extreme amusement ('laughing my socks off'), while it also serves as an abbreviation for entities like Lockheed Martin’s space division or a local symphony orchestra.
Miscellaneous
Laugh MySombrero Off
Landelijk Medisch Studenten Overleg
l Miss Scale Oven
Lockheed Martin Space Operations
Landsforeningen mot seksuelle overgrep
Landsorganisationen Mod Seksuelle Overgreb