Scarechick

As in the word " Scarecrow ", A Scarechick is a generally ugly or not conventionally attractive male that often scares chicks away with their lack of social skills or notoriously cringeworthy speech and/or interests

A: Dude, Idk what went wrong, she blocked me right after I started getting comfortable and talking about my interests...
B: You were lecturing her about bitcoin again weren't you? Dude, I told you that's total Scarechick behavior