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Rusting describes the activity where a person gets lost in the virtual video game world called Rust, by Facepunch Studios.
Dude asks:

"What will you be doing tonight?"

Guy answers:

"I will be rusting."


Co-worker says:

"Will you be rusting tonight?"

Nerd answers:
"Yes. Server West Cost | No Craft C4. Call me and we can Skype."
by Mr_White_Yo March 04, 2014
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