Here are the possible solutions for fallon's replacing him clue
Answer
Clue
Relevancy
leno
Clue
Fallon's replacing him
Fallon is replacing him as host in 2014
O'Brien is replacing him
Fallon followed him
Fallon will replace him in 2014
Definition
a thin, muslin-like fabric
jay
Clue
Jimmy is replacing him on "The Tonight Show" tomorrow
Jimmy is replacing him
Definition
a corvine bird, also JAYBIRD
neko
Clue
Rocker Case who tweeted "If a dude called me a 'cougar' I'd be more likely to kill him bare-handed and shit him out in front of his parents than fuck him"