Top definition
a combined form of the 2 words zombie and apocalypse, basically a time when the world gets fucked over by undead humans and other such undead things
I watch the fucking timesquare new year special every year just to make sure i know when the Zombacalypse is happening

The Zombacalypse is happening just ask Ted
by Eric Green bitches January 22, 2008
Get the mug
Get a zombacalypse mug for your dad Vivek.