What does "breachy" mean?

Liable to break fences or to break out of pasture

Breachy

Common synonyms include: beyond control, contumacious, defiant, fractious, incorrigible, indocile.

adj

adj ·Rare ·Advanced level

Adjective

1
Liable to break fences or to break out of pasture US, archaic
"breachy cattle"

From breach + -y.