The technical term for this was gluteal entrancement via swaying fascination, but he just thought of it as ass-nosis, basically.
Ass-Nosis, Bear, Draconicon, Dragon, Foot Fetish, Footjob, Fox, Hypnosis, Little John, M/M, Rimming, Robin Hood, Rule 34, Rule 34 Harem, Series, Tongue Fucking, surprise