SOP Sign

The SOP Sign

There's something strange about that 'Sop' sign....
EPA worker 1[src]
Look, we can't keep stopping at every "sop", "yeld", or "one vay" sign.
EPA worker 2[src]

The SOP Sign is a sign that Homer made to distract the EPA workers with to save the family with a wrecking ball, but it turned out Homer failed to knock the truck down.