Bulloxed? What the hell is Bulloxed?

Ever notice that sometimes when you're reading you encounter a word you've never heard of before? Usually you get an idea of what the word might mean just because of the context it's used in. But sometimes you encounter something like this...

This piece of narration is from Alpha Flight #95, written by Fabian Nicieza and drawn by Michael Bair. The narrator is the Alphan known as Windshear. Let me quote the specific section:

"Unless they're INSIDE of you, then you're bulloxed."

Bulloxed? Bulloxed? What the hell?