Top Definition
FIAP is the local program at some Canadian High schools that assist mentally retarded students. The term reflects a person who is acting under similar conditions (physically or mentally) of that of a FIAP.

Pronounced: FEE - app - ing -- Out

Related: fiap moment, fiap'ly challenged.
Stewart: Hey 10/10 is 10 right?
Jacob: Man, your fiap'ing out it's only 1.
by localfiap October 12, 2010
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