While Chelsea were cleaning up on the field, David was, too -- in the stands.
In what surely has to be considered one of the great moments in Stamford Bridge history, if not footballing history, the man we all now know broke out the ol' toothbrusher for a quick cleanse in the final minutes of Sunday's 1-0 home win over Manchester United.
By now, you all should have seen this. But there's no doubt we must not only post it here at Chelsea Offside for archival purposes, but collectively discuss his thought process.
BBCRadio 5 Live phone-in 606 host DJ Spoony actually got to speak to the now infamous responsible party, known only as David. Here's how he explained the action: "