Moist seepage

The step after damp seepage but before wet seepage

Hey guys, I'm seeing MOIST SEEPAGE at the Electric Factory tonight, anyone want to join?

moist flange seepage

The word most should already have you primed. It needs no introduction or alternative meaning.
Flange is an opening, a rim or collar, you get the idea.
Seepage is what is creating the moist nature of said flange.

"Does anyone fancy a drink from the bar?"
"Does moist flange seepage come to mind?"