It is most noticeable in bisexuals as they will prefer relations with one gender over another based on the chemistry shared.
Often confused with asexuality when the individual stops having chemistry with others.
The opposite of this would be someone who only has a romantic or sexual relationship only driven by physical attraction with no emotional side on the matter or chemistry.
I have been with girls but I'm such a chemosexual for guys, It just flows natural.
I don't care how hot he is I don't like him, maybe im being a chemo about it.
You're such a chemo!
she is is so hooked on polishing im sure shes a chemosexual
as in the songs "chemosexual healing" by daz and the launderettes Robert |Palmers "Addicted to Dove" "Flash ah ah saviour of the universe", " I can't get no Dazifaction",