The Collaborative International Dictionary
Breachy
Breachy \Breach"y\, a. Apt to break fences or to break out of pasture; unruly; as, breachy cattle.
Wiktionary
breachy
a. Apt to break fences or to break out of pasture; unruly.
Usage examples of "breachy".
Well, that's sure to set him at it, just as a high fence does a breachy ox, first to look over it, and then to push it down with its rump.
Indeed some folks say they are the most breachy of the two, and ought to go to pound themselves.