Poss (basketball) From Wikipedia, the free encyclopedia. Poss is a stat used to estimate the number of offensive possessions a player is accountable for. It was developed by Dean Oliver, the first full-time statistical analyst in the NBA.Click to see full answer. Besides, what does Poss mean?POSS means “Possibly” So now you know – POSS means “Possibly” – don’t thank us. YW! What does POSS mean? POSS is an acronym, abbreviation or slang word that is explained above where the POSS definition is given.Beside above, what does Poss mean on NCAA scoreboard? smells_delicious. 9 points · 2 years ago. It means that in the event of a tie up, that team will get the ball. Once possession has been awarded, “POSS” will flip to the other team and they’ll get the ball after another tie up. Likewise, people ask, what does possession mean in basketball? A statistic in basketball defined as the time a team gains offensive possession of the ball until it scores, loses the ball, or commits a violation or foul. A possession in basketball is an important statistic because it allows teams to compute statistics on a per possession basis.What does bonus mean in NBA score?The word Bonus in basketball means that a team has reached the maximum fouls count in a quarter or half, enabling the fouled team to shoot free throws whether there was a foul or not during a shot. Other names associated with the bonus include “in the bonus” and “fouls to give.”