Busting a nut, ejaculating, usually during intercourse.

a word commonly known for its outrageous enthusiamsm and excitement.

When you are so fucked up out of your mind, thank you talk like a crack head.

You dont even need to be fucked up to be "Crackin"

Just be acting retarded.

When one place or thing is fun.

In the deep south of the USA it's a name for pork ham skins that are deep fat fried. Crackin is made with extremely high heat to produce small bubbles quickly in the fat before it cooks, making a delicious crunchy snack.

the act of cracking a beer and then consuming it through the oral cavity.

Asking what's up or how are you doing.