"You canker blossom!" 3 Shakespearean Insults
"to flirt, cuddle," 1945, British English slang, of unknown origin, perhaps a back-formation from snogging. Related: Snogged.
A fit of angry agitation; swivet: He goes into such a snit that he ploughs the car into a wall/ He has a reputation for throwing considerable snits/ And we forget about our little snit-fit in there