Stands for US Robotics, a company based in Schaumburg, Illinois and founded in 1976, that makes computer modems and related technologies.
by kingmustard May 3, 2005
Get the USRmug. A stupid dumb bitch. Also a fat ass
by Aida Bugg June 10, 2020
Get the usrmug. Usr is a dumb person
by Aida Bugg June 10, 2020
Get the Usrmug. She/he is a Usr
by Imelemenkahanko June 4, 2020
Get the Usrmug. USR ET stands for Universal Studios Roblox Engagement Team. The definition of USR ET is cool and fun. They are usually very kind, hyped, fun and the best!! They are the coolest people on earth.
by USR ET November 23, 2021
Get the USR ETmug. 
