【】And the payoff was totally worth it.

Never mind how basic their initial words may be, getting to hear your tot's first is pretty momentous for any parent.。

For Michael McAvoy, the first word from his daughter sent him "over-the-moon," according to his tweet on Wednesday.。

And for the self-confessed geek, there's nothing more heartwarming than having your kids take after your passion.。

Mashable Top StoriesStay connected with the hottest stories of the day and the latest entertainment news.Sign up for Mashable's Top Stories newsletter。By signing up you agree to our Terms of Use and Privacy Policy. 。By signing up you agree to our Terms of Use and Privacy Policy.。

Thanks for signing up! 。

SEE ALSO:Ice cream-stealing baby won't let grandma get a taste。

What was the word?

Tweet may have been deleted 。

That's right -- "Batman." 。

We bet McAvoy put a bit of work into getting his daughter to say "Batman" in time to the show's iconic theme tune.。

And the payoff was totally worth it.。

Tweet may have been deleted。

Tweet may have been deleted 。

Tweet may have been deleted。

---

Tweet may have been deleted。

---

Featured Video For You。

---

This startup bioengineered animal-free leather in a lab。

TopicsComicsDC Comics。