noun
plural fobs
[count] a short chain attached especially to a pocket watch
a small object that is a decoration on a watch chain or a key ring
verb
fobs; fobbed; fobbing
fob off
[phrasal verb]
fob (someone or something) off or fob off (someone or something) informal
to cause (someone) to accept something that is false, badly made, etc., instead of what is wanted - + with
to present or offer (something fake or false) as genuine or true
US :to give (someone or something not wanted) to someone else :to palm off (someone or something) - often + on