"Like". Just that. I feel the urge to ask someone who was "like walking down the road" what they mean. Were they tiptoing? Running? Hopping? Using a pogo stick? Or were they actually just walking?
Or, "I was in, like, America". Do you mean Canada? Or perhaps Eurodisney?
Mr L Wainwright III has an apposite musical piece called "Cobwebs", about "The little word that used to mean 'as if' "