Pucker up, Charles.

Charles Barkley said Wednesday that he would honor his ill-advised bet with TNT co-analyst Kenny Smith by smooching his colleague's rear-end on Barkley's talk show.

Barkley's bet came last Thursday night as he and Smith debated the weaker-than-expected game of Yao Ming, the Houston Rockets' 7-foot-6 rookie center from China.

Barkley said he'd kiss the above-mentioned part of Smith's anatomy if Yao scored 19 points in a game. At the time, the bet seemed a safe one for Barkley: Yao averaged just 3.3 points in his first six games before he scored 10 points on 5-for-6 shooting in a loss to Phoenix last Friday night.

Just two nights later, Yao scored 20 points -- making all nine of his field-goal attempts -- in a 93-89 victory over the Lakers in Los Angeles. Although the Lakers didn't have Shaquille O'Neal, the performance was enough to make Barkley eat his words.

"I am going to pay up (Thursday) night, Barkley said Wednesday on CNN's "TalkBack Live" program. "If you make a bet, you pay up. I just told Kenny to take a shower before the show. I made the bet and I'm going to stick by my word. Ugh."

Smith replied by saying, "Sometimes even when you win, you lose."

Barkley said payment will be delivered during his talk show, "Listen Up!" which airs at 7 ET on Thursday night, before TNT's doubleheader.

Barkley's pronouncement grew out of Smith's assertion that if the Rockets are to return to the playoffs, Yao will need to become the team's best player.

"Charles went bananas over that," Smith told the Houston Chronicle. "I wasn't knocking Steve (Francis) or Cuttino (Mobley), but I was saying that if the Rockets are going to win and get back in the playoffs, it's the big guy that's going to make it happen."

Information from The Associated Press was used in this report.