eyeballs out 

A more polite version of balls out. Indicates extreme effort or determination.

1. The 400m runner came off the final bend in 3rd place and went eyeballs out for the line.

2. Michael Johnson used the phrase on the BBC's Olympic commentary in August 2008. Paraphrasing him:

"Athlete X was going balls, erm, eyeballs out at the end there."

He corrected himself when he remembered he was on primetime UK TV.

Colin Jackson subsequently used the "eyeballs out" phrase later in the week.

eyeballs out by lamanga2004 October 14, 2008

eyeballs out configuration 

An eyeballs out configuration involves vehicles going backwards at a great velocity, causing the eyeballs to bulge out.

The centaur rocket propelled the spacecraft, in an eyeballs out configuration, causing the pilot's eyeballs to bulge out.

eyeballs out configuration by quesondriac August 21, 2013