I would think she’s a fan of Star Trek

8

“dressed as Star Trek” sounds a little weird, so probably poser if you don’t know what you’re dressing as besides a person from Star Trek. It might be cool though depending on what character you mean, and what you know about the series

7

depends..if its a random blueshirt costume she’s a poser but if it’s a character or a redshirt joke then i fear id be in love

2

I'd ask her to be the Beverly to my Jean-Luc... then get sad kuz she watches TOS not TNG

2

Poser

1

My gf does this shes just a geek which i love about her

1