To ridicule, to make fun of (someone).
To express oneself in a snarky fashion.
The fictional creature of Lewis Carroll's poem, used allusively to refer to fruitless quest or search.
A fluke or unrepeatable result or detection in an experiment.
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.
Snide remarks or attitude.