gratchooity
A tip so small it is in fact something to sneeze at.
He figured their server - "My name is Jason and I'll be taking care of you this evening" - having spilled water all over the table, and their laps, having left chunks of cork in their wine, having believed that 'medium-well' and 'medium rare' were indistinguishable and trying to persuade them of same, and having asked, "You two really a couple? ... Hot chick like this actually went out with you???" before turning to her and asking what she was doing next weekend, and lastly, sneezing on their desserts... deserved an appropriate tip, he calculated Jason's gratchooity, rounding it down to the closest dime.