A polite corporate term for using the restroom -or other biological necessities, usually during interminably long unnecessary meetings.
Bob -(Whispering to Dave) "Damn, that motormouth Sherri has a serious Dilbert brain to bladder ratio. I gotta piss like a racehorse and she's only on her 3rd Powerpoint slide".
Dave -(sensing increasing hostility from the group) "Ok folks, let's wrap it up and halt for a biobreak. There's still leftover pizza in the break room."