prone out

Verb

 * 1)  To lie flat on one's board (face down) in order to be propelled shorewards by a broken wave.
 * 2)  To order or cause a person to lie prone on the ground, usually at gunpoint and to effect a high-risk arrest.
 * 1)  To order or cause a person to lie prone on the ground, usually at gunpoint and to effect a high-risk arrest.