Someone who enjoys pushing people over and sitting on them. Can be used as a verb, noun or adjective. This person is a rather large female (but is often called manly) and likes farming and cheese. People might pretend to like this person but only out of fear that they will be sat on.
a total leduc, to leduced, to be leduced, a leduc
Ashleigh: that fat chick just sat on my head during the soccer game.
Meg: you totally just got Leduced.