[pot.shot] n [fr. the notion that such a shot is unsportsmanlike and worthy only of one whose object is to fill the cooking pot] (1858) 1: a shot taken from ambush or at a random or easy target
2: a critical remark made in a random or sporadic manner
[2]potshot vb potshot ; pot.shot.ting vi (1918): to take a potshot ~ vt: to attack or shoot with a potshot