A BJ sike
You get excited for a BJ, but it's just someone pretending to be close to your cock when they're just being clumsy.
I thought she was gonna give me head, but she just tripped and smacked her face into my junk.
He was like he was gonna blow me, but he just bumped into me and made me laugh.
I got all worked up for a BJ, but she just dropped her phone and it landed on my cock.