Crop"per (kr&obreve;p"p&etilde;r),
n. 1. One that
crops.
2. A variety of pigeon with a large crop;
a pouter.
3. (Mech.) A machine for cropping,
as for shearing off bolts or rod iron, or for facing
cloth.
4. A fall on one's head when riding at
full speed, as in hunting; hence, a sudden failure or
collapse. [Slang.]