chaff (
http://definr.com/chaff)
n 1: material consisting of seed coverings and small pieces of
stem or leaves that have been separated from the seeds
[syn:
husk,
shuck,
stalk,
straw,
stubble]
2: foil in thin strips; ejected into the air as a radar
countermeasure
v : be silly or tease one another; "After we relaxed, we just
kidded around" [syn:
kid,
jolly,
banter]