During an interview with Nick Grimshaw on BBC Radio 1, the star opened up about the incident.
"It's been talked about so much that I'm already over it," he said. "Is it [going to be there forever]? My poor son. He's got a lot to live up to."
Bloom shares his 6-year-old son Flynn with ex Miranda Kerr.
The Lord of the Rings star also admitted that he's "not really worried about getting my bits and blobs out" for acting roles.
"We know!" Grimshaw jokingly responded.