Sentence:  The <WSD>vig</WSD> is like your "tax" paid on a bet which goes to the bookie. For example, every $100 I would bet, I had a <WSD>vig</WSD> of $10.  So if I bet $500 and lost that bet, I would owe $550. Trust me, when you don't win, the <WSD>vigs</WSD> add up quick! 
Meaning of the word marked with <WSD> tags:  A charge taken on bets, as by a bookie or gambling establishment.