Noun
A cock that strikes well with his heels or spurs.
A dependent and subservient hanger-on of a political patron.
Source: Webster's dictionaryTex - A4103418 - spayed female, black and white queensland heeler - about 1 year old. Source: Internet
Red and Blue Heeler Puppies for sale. Source: Internet
Update: South Knox Bubba has more, saying (as only can) the irony drips like bar-b-cue sauce from the chin of a county ward heeler at a GOP tent revival." Source: Internet