Top Definition
When all of the assorted shampoo and body-wash bottles fall off of the shelf onto your feet after being bumped when taking a shower.
1- "Man my toe hurts."
2- "What happened."
1- " I was taking a shower this morning and got hit by a shampoovalanche."
2- "Ah, I hate when that happens."
by captainwill July 06, 2010

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