Nouns

(n)chaff, husk, shuck, stalk, straw, stubblematerial consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
(n)chafffoil in thin strips; ejected into the air as a radar countermeasure

Verbs

(v)kid, chaff, jolly, josh, banterbe silly or tease one another“After we relaxed, we just kidded around”