dumping his load

Emptying a full trailer so that it can be filled again. ...What a still operator will tell the chopper driver when he's looking for the truck driver.

"Dude where's the next truck?"

"Oh, he's dumping his load, he'll be there in 5 minutes."

Monchi

Terrible, sub-par, undesirable, worn out.

The roof leaks in this old house!
Yeah, the place is monchi.

You're pos car has been parked for a month... it's a monchi car now.

half pass

Using only half the useful width of a farm implement.

"Make a half pass with that disk to cut those clods up some more."