CBS’s Bill Plante stepped to the plate next, and with one throw dunked Gibbs.

“Sonofab-tch.” Gibbs said as he came up above water and then called an end to the session.

Later this evening at the actual White House Hawaiian luau, Gibbs, along with White House Chief of Staff Rahm Emmanuel will face perhaps a much more aggressive crowd in the dunk tank — as members of congress will get their chance to send both under water.