Jaxon Smith-Njigba’s potty mouth was on full display during the Seahawks’ win over the Cardinals.

The 23-year-old Seattle Seahawks wide receiver was caught cursing on a hot mic after referee Alex Kemp called a penalty on him during the fourth quarter of their Thursday Night Football matchup on Thursday, Sept. 25.

As Kemp announced a holding penalty for Smith-Njigba after the play, the Seahawks player was heard yelling, “That’s some bulls—!”

Kemp heard the remark and looked displeased, serving full side-eye as he attempted to turn his mic off. Despite the referee’s attempt to silence the curse word, the moment already aired on the broadcast and was quickly uploaded to social media.

Prime broadcasters Al Michaels and Kirk Herbstreit were on call for the game when the slip-up happened. “It’s one thing if you say something in an open mic, but if the mic’s not open, right, you get away with it,” Michaels, 80, said.

Herbstreit noted that Kemp “gave him the look” after Smith-Njigba cursed, and Michaels agreed, adding, “He did, oh yeah.”

Herbstreit joked that the look from Kemp is the same one he’d give his sons. “My kids make fun of me…I have four sons, and when they were younger, I used to give them this look right here.”

The Seahawks were given a 10-yard penalty, but they went on to win the game 23-20 on the road in Arizona over the Cardinals.

After the game, quarterback Sam Darnold praised Smith-Njigba for stepping up in big moments on the field to help the Seahawks secure the win. “He’s just comfortable in those moments,” Darnold, 28, said of Smith-Njigba, according to A to Z Sports. “We have that rapport to where we can trust each other with different routes, feeling leverage and all those types of things,” he added.

Smith-Njigba gave a confident interview to reporters after the Seahawks’ win, saying he had “no doubt we were going to go down there and score” in the final quarter.