a plastic container (most times a gallon jug) that a trucker has pissed in a has thrown out his window into the land off the road ,THEN WHEN THE MOWER COMES BY THE "BOMB" EXPLODES INTO THE MOWER AND THE ONE OPERATING IT.(hence the name)
"bob" didn't want to stop so he pissed in his soon to be trucker bomb,then chucked it out the window.meanwhile the mower came by and needed to take a shower.
*the deuce/#2 being "unflushable" in a toilet
(Person quickly leaving the restroom after finding a plugged 2)"Code brown,code brown, now who's turn is it." (to clean it up)