USA
USA has 2 meanings
Until sides ache
When used alongside LOL, ROFL, and other laughter-related acronyms, USA stands for "until sides ache." Most often, you'll see this version of USA stuck to the end of LOL or ROFL, to create the compound acronyms LOLUSA and ROFLUSA.
People use USA to emphasize that they found something extremely funny, and thus couldn't stop laughing for a long time. Most likely, however, the person who sent you USA didn't actually hurt themself laughing. They just added USA to their message as a bit of hyperbole.
Example
OMG, I laughed USA, that was so funny!
Thank you, thank you. I'll be here all night
Related Slang
ROFLMAO | Rolling on floor, laughing my a** off |
lawl | LOL |
KEKL | Cackling laughter |
PMP | Peed my pants |
LML | Laughing mad loud |
LOLAWS | Laughing out loud and with style |
USA is an acronym that stands for United States of America, which is located in North America and considered a world superpower. It was founded in 1776 and is comprised of 50 states.
The acronym is a popular way to refer to the United States, which almost any person, domestic or foreign, will recognize. It is also commonly abbreviated as just the U.S.