F.D.L.B.
A person who is big, brainless, lazy, and has a mouth like a truck.
My neighbor is an F. D. L. B. He yelled at the mailman for not bringing the mail fast enough.
My friend is an F. D. L. B. He said he would do the project, but he just sat on the couch eating chips.
My little brother is an F. D. L. B. He screamed at the TV for not showing his favorite show.