chaff chaff /ˈtʃæf/

noun

1. Foil in thin strips; ejected into the air as a radar countermeasure  ( chaff )
   foil in thin strips; ejected into the air as a radar countermeasure
   
2. Material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds  ( chaff , husk , shuck [ N. American] , stalk , straw , stubble )
   material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
   

verb

1. () Be silly or tease one another  ( jolly [Informal] , josh [Informal] , banter , chaff , kid [Informal] )
   be silly or tease one another
    After we relaxed, we just kidded around
   After we relaxed, we just kidded around