Ad Fundum is latin for: untill the bottom

It means you have to drink your whole glass (usually filled with beer or something like that) very fast without pauses.

sometimes used in kings (drinking game)
"what card is is?"

"It's an ace of spades"

"Aaah shit that means ad fundum"

"okey here we go"
by Lausiej June 9, 2009
Get the Ad Fundum mug.