A sexual act that involves using a model train set to be involved in love making such as jamming the model train conductors into the urethra or fitting the entire train with its cabs into the vagina
It can also be described as thrusting extremely hard while having sex, screaming at the top of your lungs "CHOOOO CHOOOO" and cumming all over said persons face, ass or vagina
I think me and Cindy are gonna do some Train-Yard Blast tonight"
It is when you are having sex and she rides you so good that when you pull out you nut powerful enough to paint the whole room and everything in it white.
Me: I was fucking this hoe raw last night and she was riding me like a Bugatti and I released the sonic blast and she was covered in my cum.
My friend: What?! I’m sorry dude. You need to find the right girl who could swallow it all.
Me: Don’t worry man I left that bitch on the front step for her dad to scoop her. Her dad will explain to her the importance of swallowing it all.
1. Butter blasted: when a group of delicious raspberry smoothies are so hyped about an activity or sport that they feel as if they have achieved orgasm.
2. Butter blast: The act of achieving orgasm due to some form of sexual activity
1. The team was butter blasted after zeke-mobile caught a full-field huck
2. "That freshman made me butter blast so hard last night"