a contest consisting of the exchange of insults between two parties, often conducted in verse.

They should totally teach this in school instead of the usual BS. Guaranteed that kids would be into trying to figure this out:

Like ane boisteous bull, ye rin and ryde
Royatouslie, lyke ane rude rubatour
Ay fukkand lyke ane furious fornicatour

Sir David Lyndsay, 1536