I nominate Dave Johnson's "and down the stretch they come", besides being annoying the way he hyperventilates when he says it - it is stupid when one horse has a big lead so there really isnt any drama or when he uses it in a bottom level 5K claimer like he just did at the Meadowlands.
Honorable mention - Dick Enberg's "Oh My" it sounds like he is getting goosed
Honorable mention - Dick Enberg's "Oh My" it sounds like he is getting goosed