When there is no favorite team (both teams are considered to have an equal chance of winning the contest) the 'point spread' is a 'PK' ('Pick' or 'pick'em') in which case there is no point spread. In a 'PK' you may wager on either team to win risking $110 to win $100. If the team wagered upon wins, your wager is a winner.
the way that a redneck, usually one that hails from the Southern United States, refers to their pick-up truck. The added "'em" is the addition of Southern dialogue to the general name of a common type of truck, and usually makes the person driving appear to be of low intelligence
