We've had the butt fumble and Steven Adams has now created the butt screen.

The Kiwi Oklahoma City Thunder star used his backside to put a Portland Trailblazers opponent to the floor during game one of their first round Western Conference playoffs series.

Unfortunately for Adams his Thunder side went down in the series opener 104-99.

Adams finished with 17 points and nine rebounds in the loss to the Western Conference third seeds.

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He was up against his friend and former teammate Enes Kanter who finished with 20 points and 18 rebounds. Kanter said Adams froze him out in the pre-game warm-ups.

"It did feel very awkward and very weird. ... I was very nervous before the game. I tried to talk to Steven [Adams] and he didn't even look at me," Kanter revealed after the win.

Game two of the best of seven series takes place in Portland on Wednesday.