Having so much of something that it can or does collapse on you at any second. It can also be a situation where the amount of something to accomplish is so high it takes or is going to take you an uncertain amount of time to handle.

Can be actual objects or a situation
The movers stacked all our stuff so high when they untied the rope a havalanche fell on top of me.

I'd love to meet up today, but there's a havalanche of client phone calls I need to handle and I have no clue when I'll get done.
by Lurkography March 31, 2016
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absolutely annihilating and demolishing a girl life within seconds.
Ronda Rousey''s arm bar is lethal, but doesn't have shit on the havalanche
by Shawnatheunit February 16, 2016
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