snark

noun

Snide remarks.

1. To express oneself in a snarky fashion.
2. To snort.

1. A graph in which every node has three branches, and the edges cannot be coloured in fewer than four colours without two edges of the same colour meeting at a point.
2. A fluke or unrepeatable result or detection in an experiment.

   Cabrera's Valentine's Day monopole detection or some extremely energetic cosmic rays could be examples of snarks.