Like a looky loo (someone standing around looking at something that's none of their business), it's someone who stands around talking about something that's none of his/her business.
"That dude's a talky loo; he's always yakking about something that's none of his concern like it's got his name all over it or something."
by froodley March 04, 2009

by froodley November 29, 2011
