Precisely, taking a shit while being paid at work.

Deuce meaning number 2, or in bathroom terms, going poop.

Clock means clocked in at work.

Can be used as a verb,noun, adjective, adverb
While at work today I took a deuce on the clock.

Took a deuce on the clock in the wb : means,took a deuce on the clock in the woman's bathroom.

Taking a deuce on the clock in the wb while in ot.: means, took a deuce on the clock in the woman's bathroom while in overtime.

Youre not going to want to go in there, just took a major deuce on the clock.
by @AKADonaldTrump January 25, 2015
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