look up any word, like blumpkin:
 
1.
Being Favored to win. The opposite of an under dog. Came around during old horse races when all the bets were wriiten in chalk and the favorite horse to win was known as the "chalk daddy."
"The Packers have the best odds to win the Super Bowl this year again."

"Yeah man, they are the Chalk Daddy"
by arcemedis2001 September 11, 2011