Crossword puzzle clue "one who has seen action"

One who has seen action

It doesn't convey ferocious fuel-burning action, action, action! when it's regular-sized

Spiro who wrote, "If you've seen one city slum, you've seen them all"

"If you've ___ seen a one-trick pony, then you've seen me"

One who has seen a New Zealand bird?

Springsteen "If you've ever seen ___ trick pony then you've seen me"

Feeling that you've seen something before seen something before

"If you haven't seen ___, you haven't seen New York" (old ad slogan)