Meaning United States of America
Type Acronym
Rank ★ ★ ★  Common
Usage General (not just online)
Comments A common way to refer to the United States; commonly abbreviated as just the U.S.
Example "USA, USA!"
Updated May 16, 2018
Meaning Until sides ache
Type Acronym
Rank ★ ☆ ☆  Uncommon
Usage Online Only (chat, messaging, e-mail)
Comments Means someone is laughing so hard, his or her sides are aching; can be appended to a laughing acronym, such as LOLUSA or ROFLUSA.
Updated January 22, 2014