Top definition
An idle person who will gladly yell instructions to you while you are busy baking a cake. Not to be confounded with the backstreet baker who, in this case, would be cooking meth.
"Bitch can't you see I can bake my own motherfucking cake; don't be such a backseat baker!"
by Museme July 06, 2014
Get the mug
Get a Backseat Baker mug for your guy Manafort.