chaff

(noun) material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds. Synonyms: husk, shuck, stalk, straw, stubble.

(noun) foil in thin strips; ejected into the air as a radar countermeasure.

(verb) be silly or tease one another. Synonyms: kid, jolly, josh, banter. Example: "After we relaxed, we just kidded around."