a vest pocket to hold a pocket watch
"He carefully placed his antique gold fob into the breast pocket of his suit jacket before stepping out for dinner."
an adornment that hangs from a watch chain
"He fumbled with his pocket to find the ornate silver fob that used to hang from his grandfather's old gold watch chain."
short chain or ribbon attaching a pocket watch to a man's vest
"He reached into his coat and tugged gently on the silver fob hanging from his waistcoat, checking if it was still secure."
A little pocket near the waistline of a pair of trousers or in a waistcoat or vest to hold a pocketwatch; a watch pocket.
"The general ordered all units to relocate their equipment from FOB Alpha to the newly established FOB Delta before sunset."
Initialism of forward operating base.
deceive somebody
"We tricked the teacher into thinking that class would be cancelled next week"
To cheat, to deceive, to trick, to take in, to impose upon someone.
"The salesman tried to fob me off with a fake warranty when I asked for the return policy."
Initialism of free on board.
"The shipping invoice listed a FOB delivery term, indicating that the seller's responsibility ended once the goods were loaded onto the vessel at the port."