Chief Netic's definitions

Eat your kneecaps

When one falls from a great height (presumingly in a video game) and "eats shit" with a knee to face connection.

Also commonly:
Ate my kneecaps
Ate your kneecaps
Eat my kneecaps

I was playing COD4 with you yesterday and watched you eat your kneecaps

by Chief Netic January 13, 2014