When you come on a girls vagnia and just leave it there it is called a Frosty Valley
Yo Mark is the man he gave her a Frosty Valley
The act of inserting a cold syringe (must be frosty) inside wet cement then injecting it into your balls
"Lauren just gave Gary a Frosty Syringe"
A frosty is the end result of many rounds of fornication, where the female is covered in so much semen, she looks like Frosty the Snowman.
The rapper DTBased created the definition of Frosty.
I gave Maria a Frosty last night.
To be cold or annoyed towards someone for a short period of time
"Have you noticed that Stacey has been frosty towards Alex lately?"
A sex act. When you keep your penis in a freezer for over 20 minutes, then proceed to ejaculate inside a woman.
Derek: Bro! How was your date last night with Megan?
Drew: It was crazy. She wanted to end the night with a frosty.
Derek: That must have been freezing!