Used when some one has been
slaking off to explain what else they could have been doing. Synonym for procrastinating. Comes from "The Crucible" by
arthur miller where
John Proctor is accused of plowing on sunday.
Example 1:
P1: "Dude i spent all night watching tv instead of doing my english
home work."
P2:"Idiot you might as well have been
plowing on sunday"
Example 2:
P1: "Wanna hang out tomorrow?"
P2: "I
might as well plow on sunday."