Pick Slots With The Highest Return To Player (RTP) Percentage. If you're looking for slot machines that are most likely to hit, a good starting point would be finding ones that have the highest percentage of RTP. This is because the higher the RTP percentage, the more likely the slot machine is to pay out.

OOP is a simply an acronym that stands for out of position . Being out of position  means to act first on each betting round. Being out of position is considered to be a disadvantage since the out of position player does not get to see what his opponent does before acting on each street.

The spots or marks on the face of a card. When used as a verb, the term refers to a card beating another by a single pip   i.e., outranking another by one.