4Can 

Verb - To shotgun four 12 ounce cans of beer in under 30 seconds

Noun - Successful completion of the above

"Did that maniac just 4can that bud light?"

"That was a stellar 4can, sir"

4Can by 4CAN CHAMP May 3, 2015

4Can 

Noun - The nickname given to a person who vomits after 4 regular size, regular strength cans of beer. Can also be shortened to "4"

"Whey, 4CAN!!!"

"Did someone say 4?"

4Can by -Nadz- June 22, 2009