Navarro Unafraid of Flav's Sloppy Seconds

Dave Navarro really wants his Internet show to be a success ... so he's kissing Brigitte Nielsen?!

Paps snapped the tatted rocker lapping at the former Danish bombshell and mother of four. He divorced Carmen Electra for this???

You can catch the rest of the action on ManiaTV.com ... if you can take it.