When two lovers feel extremely curious about the other's body, that they explore it in full extent. This "full extent" may include really any sexual act that is new and one is curious about exploring.
Note: During "exploration" the two involved may be considered "explorers"
"Did you have a good time last night? Do anything interesting?"
"Yeah, I went over to Roman's."
"Let's just say he was really curious, and now I'm very sore from all of his explorations."