Top Definition
The deception of a fat girl taking a close-up picture of herself from above her head while looking upwards, making the face lard retreat and thus letting her appear to be skinny - hiding 90% of her tremendous corpus.

An extremely exposed cleavage is optional and prevalent.
- Woah, see this girl on (arbitrary website)! She's hot, right?
- No, I believe it's the iceberg effect...
by jondk November 10, 2011
When you take a dump, it's nothing way solid, more like a pile that raises up above the water. 10% above water, 90% under water. Much like an iceberg.
I just experienced the Iceberg Effect.
by Metalhead Murphy August 03, 2009
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