One who delights in the discovery, exploration, and stimulation of all forms of sensual and sexual desire.
Captain Janeway: Oh, Jean-Luc, what an accomplished erotonaut you are! Tonight you've truly gone where no man has gone before. Cigarette?
A mirror (i.e., 'spiegel' = 'mirror' in German) used by a guy who likes to watch the reflection of himself and/or other guys splooging
. Usually includes copiously splooging directly onto the mirror.
Dude, last night I got so turned on watching myself that I like totally shot a huge load all over my splooge spiegel after edging my cock for hours.