The actor and Dan Aykroyd starred alongside each other in 1987 movie Dragnet, in which they performed a hip-hop track called City of Crime.
Tom can still remember all the words but has insisted he won't be busting out the song again anytime soon.
"Oh no, I don't think that's necessary. Watching that [rap scene] is like watching a fascinating home movie – I feel repulsed and fascinated at the same time," he laughed to British newspaper The Guardian.
"The kids were little and I was talking about [the rap.] So the kids then went and pulled out the computer, plugged in the modem and they found it on YouTube. I said: 'Wow, if my kids can pull that up in two minutes, we are in a brave new world.'"
Tom reminisced about many of his films during the interview, including his much-loved picture Big. It follows a little boy who wishes he was grown up, only to wake up and find himself trapped in an adult body - that of Tom.
During one scene the actor gets intimate with a woman, which it's been pointed out could be viewed as inappropriate. The 57-year-old star waved off the comments, insisting if the release was out now rather than in 1988 things would have been very different.
"Yeah, it was a little weird," he mused.
"I think they could make it [now] but they'd make it raunchier. That's what comedies are like today. I'm kinda amazed when I go see a comedy and it's just filthy – and with filthy language! I think: 'Really? Can they do this?' But I gotta tell you, they're a guilty pleasure, those movies."
© Cover Media