unsure about the decision at hand
I'm on the fence about Gigli. It really sucked, but I love Ben Affleck
undecided between two options
He was on the fence about dating Rhonda or LuAnn
Could go one way or another about a decision; Undecided between two choices.
Arnold Schwarzenegger was on the fence about joining the California gubernatorial race, until Dianne Feinstein dropped out.
being unable to decide
victoria is on the fence over elliott and tommy.
Someone who is unsure of their sexuality. Not sure if they are gay or straight--perhaps bisexual.
Billie Joe was on the fence on who she really liked--Sarah or John.
trailer park clothes line
Cissy, Go get my clean draws hangin on that there fence