(CBS) Bears defensive end Lamarr Houston told the Chicago Sun-Times that he regrets telling Chicago fans to “eat dirt” via Twitter on Sunday after a loss at Carolina.

“I was frustrated and upset with the loss, and I replied to some fans that I shouldn’t have,” Houston said, according to the Sun-Times. “I appreciate the Bears fans that stand behind the players through thick and thin.

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“(Coach Marc Trestman) holds everybody accountable.

“He doesn’t tell us what to do. He knows there’s Twitter. He just wants us to think before we sin.”

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Frustrated with the criticism he received Sunday after the tough loss, Houston fired off a string of tweets, one of which told fair-weather fans who were wavering in their belief of the 2-3 Bears to go “eat dirt.” Other tweets told fans to “keep me motivated…pls give more hate pour it out!!!!” and one mused that there are “11 games left and your mad!?” 

Houston signed a five-year, $35-million contract in the offseason, but he hasn’t produced hardly at all, with just five tackles and no sacks in five games.

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“The standards for myself are high, just like all the other players in our (defensive-line) room,” Houston told the Sun-Times.