um friend

A partner in a sexual relationship on an ambiguous standing.

"This is Kate, my, um, friend."

by lysol sammitch May 1, 2005

Um Friend

A member of the opposite sex who you are interested in and have been doing things with, but haven't made a move on. When introduced in public, you tend to say, "This is my um, friend ..."

"This is Jill, my ... um, friend."

by Stud April 11, 2005