When Rory and Doyle are drinking at the bar, Rory finishes her glass and says, "Oh no! All gone" and her glass is empty. In the next shot, Rory puts the glass down and there is liquid in it.
Gil said the kid at the bat mitzvah finished the cherries, but not only did multiple spill while he was pouring them into his mouth, it was obvious that the cup of cherries was 1/3 full still when he finished.