<u3 is an expansion to the popular <3 (heart). The addition of the letter 'u' shows the recipient that they are in your heart.
by FatKldsLoveCake February 13, 2013
by elmooooo January 12, 2009
crapware found pre-installed in some USB flash drives. it is supposed to be a useful launch pad for portable applications, but instead quickly becomes an annoyance, asking for passwords, bugging down the process, and taking up space.
by jorge_andresb January 05, 2008