A person who obviously is uptight, bossy, socially awkward, and thinks they can step all over you.  An uptight ass usually doesn't know CRAP.
Girl:  Wow!  Did you see her?  She played the uptight ass role in the soccer team!
Boy: In Social Studies too!
Girl: Yeah I know!
Boy: In Social Studies too!
Girl: Yeah I know!
by XEsay October 29, 2008
 Get the Uptight Assmug.
Get the Uptight Assmug.