eyes widen

A meme that came into popularity from a theodd1sout video. It's kind of a mockery of tween fanfic writers.

"My eyes widen so I can see his underwear in the dark trunk" - fanfic author
"Lmao!!" - everyone else

eye widener

A person that is so attractive that peoples eyes widen when looking at him/her. Also very sex appealing.

"Did you see that girl at the bar on Tuesday?"
"Yeah, she was real eye widener"
"My girlfriend slapped me for staring"