I have had an UNCUT Penis and I REALLY REALLY REALLY did NOT like.
The look, smell and taste was not pleasant.
Soap & water does wonders on a cock & bush whether ur cut or uncut. I've had cut cock were it & bush had a urine smell.
If ur playing with the uncut guys cock, before going down on it, u just slide the foreskin back (as foreplay) to expose the helmet and if "cheese" is there, unless ur into that stuff, better to suggest u limit today's hook up to jerking the stud off.
If encounter is scheduled, I always suggest about showering before meeting. Can't very well do that on a spur of the moment hookup unless a shower is handy & u ask about showering together as HOT foreplay.