Heung-min Son appeared to make an X-rated comment after being substituted against Aston Villa.
The Tottenham captain was visibly frustrated by manager Ange Postecoglou's decision to take him off the pitch.
richarlison He replaced Son as part of a double substitution in the 56th minute.
Meanwhile, Yves Bissouma also came for Rodrigo Bentancur in the center of the field for the locals.
However, the Spurs captain, who returned to action from injury on Sunday, was less than impressed when he sat on the bench.
He was caught on camera appearing to say the words 'f****** s***' while sitting on the bench alongside his teammates.
He was withdrawn with the score set at 1-1, Brennan Johnson's goal early in the second half canceling out Morgan Rogers' first-half goal.
Son had played a key role in Spurs' equaliser, setting up Johnson just minutes before he was taken off.
A dangerous low cross from the winger to the far post was converted by the Welsh international to level the score.
It's Son's third assist this season and his sixth goal involvement overall.
After the match, Postecoglou explained that the substitution had been planned from the beginning.
He told reporters: “I was never going to play more than 55 minutes.
“The last time he came back from an injury he came in the 60th minute and was injured again. He came out unharmed.”
He has struggled for fitness in recent weeks, missing three of Spurs' previous four games before Villa's visit.
However, after a series of hamstring and thigh problems, the 32-year-old returned to the starting lineup on Sunday.
However, Postecoglou's decision to recall Son appeared to pay off, as his team pulled off a dramatic turnaround.
Dominic Solanke Overcome the offside trap before throwing the ball. Emiliano Martínez to put the Spurs in front.
Meanwhile, Son's replacement Richarlison scored another Solanke goal moments later to claim a 3-1 victory.