Quiz: Remember the definition of mal de mer?
mid-15c., squyrten "eject water in a jet," of uncertain origin, probably imitative. Related: Squirted; squirting.
mid-15c., originally "diarrhea," from squirt (v.). Meaning "a whipper-snapper" is from 1839.
Crazy; eccentric; nutty: I tell you, working out alone can make you squirrelly (1934+)