When your hopes have been raised and dashed within moments.
I thought I saw some extra honey mustard in the fridge, but it was just a mustard packet. I have hopelash.
The chick finally came up to me today, but it was to just get my bro's number. I am still sore from the hopelash.
When one's hopes are raised and dashed in a matter of seconds.
Mark: Hey Jim, you just won the lottery!
Mark: No, I'm just messin.
Jim: Damn, you gave me hopelash.