racktastic meaning (humorous): definition

racktastic

adj

Etymology From rack (“breasts”) + -tastic.

Humorous, Slang possessing especially attractive or impressive breasts.

Slightly vulgar

Seeing her poured into her tight costume, they had to admit that the heroine looked racktastic.
...racktastic Michelle can woo dudes, and Vic can open locked chests.2008, The Official Xbox Magazine, numbers 88–90, page 66:

3 more examples

"Fine. I can take a hint. You don't want to talk about Miss Racktastic 2000. Does that mean you'll pass me her number?"2010, Christine Warren, One Bite with a Stranger, Macmillan, page 129:
"Man, did you see that girl on set today, the extra? Her chest was racktastic. The way they moved . . . God I wish I were single."2016, Lisa Henthorn, 25 Sense, Simon and Schuster:
Ninjette: "You're supah strong ! You're invincible—well, not so much. You're, uh... you're racktastic !" Empowered: "(Hff) I'm 'racktastic '? (Hnnh) Having allegedly largish breasteses (hnff) ...that's not a superpower, okay?" Ninjette: "Oh, but I beg to differ, Count Rackula. Believe me, I'd so flaunt 'em if I had 'em!"2020, Adam Warren, Empowered Omnibus Volume 1, Dark Horse Books, page 470: