I agree with your argument up to a point, but there are some facts you overlooked.

The team decided to camo up before the night patrol.

Despite her initial reluctance, she found herself palling up with her colleagues during the late-night project sessions.

She stands up with her team during difficult negotiations, insisting on fair treatment.

Keep an eye on the kids — they're up to anything when left alone.

By midnight he was tanked up and stumbling out of the bar.

Before setting off on the cross-country trip, she tanked up the rental car to avoid stopping later.

He's tanking up the car at the service station so we can continue the journey.

He tanks up the car before every long trip.

The old printer kept crapping up right before the deadline, causing everyone to scramble.