1 definition by ecduke

Top Definition
adj. Excessively rich, fattening, gluttonous, or unhealthy, often referring to food. Also, the feeling one has after consuming such food. Fattycatty can be used as both a positive and a negative.
Negative-- wife: "Let's get a pizza for dinner tonight"

husband: "Nah, I'm feeling a bit fattycatty.

I had pizza yesterday and a philly cheesesteak

for lunch."

Positive-- "This philly cheesesteak is the bomb. It's fattycatty like a cheesesteak should be"
by ecduke June 09, 2010
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