I don't think I was very easy to decipher. I was very good at sports, but also extremely nerdy in the way I expressed myself and in most of my interests (with the exception, of course, of sports themselves). I used to do math and physics competitions and the like, things that didn't exactly garner you the respect of your peers. I liked to dance at parties, but I was extremely shitty at the typical "small-talk" that composes the greatest majority of interactions there.
This attitude changed progressively as I became older and I understood better the typical rules of social conduit, however my image was already screwed by that point in time ahaha
The weirdest part, for me, was dating. I've never been rejected when I asked a girl to go out on a date; however, usually, after just 30 minutes I was classified as "too weird" or something lol