(n.)Overcompensatasexual, a person who tries way too hard to prove their particularsexual preference to be authentic. This may include boisterous snapping by would be gays, excessive crotch grabbing by would be straights, or the constant broadcasting of how much one loves the idea of moving in together after two weeks of dating and doing arts and crafts by would be lesbians.
Girl: "Oh God, here comes Dave he's always trying to prove that he's straight by hitting on me. Honestly though, I think he's an overcompensatasexual. I mean he knows all the words to Celine Dion's Let's Talk About Love album."
Describes a type of behaviour exhibited by (often) gay men. especially in the period shortly after "coming out" where they are excessively camp. their actions are more flamboyant, their voice more sibilant and higher pitched, their mannerisms more feminine.
This term was first coined in the Musical "It's a real drag" by Steve Kelleher-Brown
In a desparate bid to attract the attention of anyone in the bar who might be looking for an available boy that evening, James began overcampensating again much to the annoyance of his friends who were trying to have a quiet drink.
"Alex, stop overcampensating, we all know you're gay now"