You know if you laugh it will only encourage them to do it again, but for a short period when kids are young, it's hard to restrain from giggling if they accidentally mutter a swear word.
And for the father of this two-year-old, the struggle came when she was trying to say "skunk".
What came out of her mouth was just slightly different - yet her dad asks her to repeat it (just to confirm what he was hearing).
By the looks of Twitter, it wasn't only the dad who enjoyed her mix-up of words.
Luckily, the word "skunk" is unlikely to pop up in conversations in public.