Michael Lohan called in to a Tampa Bay radio station this morning to chat about the latest episode of his family's drama, and he alleges that ex-wife Dina "did coke" with their 24-year-old daughter! Michael also stated that he wasn't that concerned about Lindsay hanging out with ex-girlfriend Samantha Ronson, as long as the relationship isn't "toxic" again, so at least Lindsay will be happy about that!

Click the video above to see what else Lindsay's dad had to say!