a male whose personal style evokes a hobbit from the lord of the rings trilogy. may include, but not limited to: long or unkempt hair; scraggly or patchy facial hair; a relaxed disposition; having very close (but explicitly non-sexual) relationships with other males; frequently indulging in food, drink, and smoke.
"check my flow, i'm a lax bro. going out with my brohams for a sesh."
"you look very frodosexual to me."
"dude, you haven't cut your hair or showered."
"yeah, i'm going for that frodosexual vibe."