I think I have to…
Download the brown file.
Drop the kiddies off at the pool.
Worship at the porcelain altar.
Slam on the breaks and leave skid marks.
Declare a code brown.
Drop the payload.
Jettison the cargo.
Man the aft torpedoes.
Initiate A Brown Alert.
Drop some weight the easy way.
Experience a brown-out.
Start a salad bowel movement.
Be discharged of my duty.
Go to work at I-BM
Initiate Plan 2 From Inner Space.
Address the fecal matter.
Get a dishonorable discharge.
Fertilize the planet.
Sit by my favorite stool.
Wrap a present in crapping paper.
Have the Colonel bring up the rear.
Eliminate waste in the human resources department.
Displace the air under my ass.
or just say…
“Number one, begin evacuation procedures.” – Captain Picard (actual line)
I just thought up everything after the third one : )