Sometimes, the meanings of words will change over time. Here are some new definitions I came across recently:

cell phone: Unintentionally displaying your incompetence
freebie: A cheap honey source
acoustic: A long piece of wood at a low temperature
county: Cattle leg joint
populist: Register of deflated balloons
gazebo: Where gamblers go when they have a stuffed nose
caboose: The sound of an explosion that causes a short-circuit