A person who seems to be the majority of the time by themselves. In actuality spends alot time with many different people. has many different creative skills and attributes.
Person A: Hey Tom, you know Jeff?
Person B: Yeah, hes by himself alot at school, why?
Person A: Hes a fucking kick ass DJ, and has made some pretty sick songs. I saw him downtown when his girlfriend came to visit from florida.
Person B: Wow! I never knew he was into that. You never know what progressive loaners are up to, until you really meet them.