Lisa Littler has leapt to her son's defence on social media after the teenage darts sensation faced a hostile reception at Alexandra Palace on Monday evening.
The 18-year-old defending champion battled through boos from sections of the crowd to secure a 4-2 victory over Rob Cross in the World Darts Championship last-16.
Luke described the atmosphere at the iconic north London venue as "hostile" during his post-match interview.
But his mum wasn't holding back, taking to X to fire back at critics who had a go at her son following his fiery response to the jeering fans.
Luke Littler's mother Lisa vented her fury on social media
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When one social media user questioned why they couldn't call Littler "a little pudding" since he's 18, Lisa shot back: "So they buy tickets with there hard earned money to sit there like t**ts and boo."
She wasn't done there either.
After another commenter declared "the more I watch Luke Littler, the more I hate him," his mum responded with a teasing: "Aww gutted for ya nottt."
Lisa also branded the crowd "vile" and "idiots" while defending her son's behaviour, adding a middle finger emoji to one particularly nasty message that called Luke "the most unbearable arrogant w****r in any sport."
The young star's own reaction on the night certainly divided opinion.
After hitting double 20 to clinch victory, Luke turned to the crowd with arms outstretched, shouting "What now? What now?"
He then doubled down in his post-match interview, telling the jeering fans: "Thank you for my money! Thank you for booing me."
But the teenager later acknowledged he might have gone too far.
"I think I might have reacted a bit too early on after the first set," Luke admitted, confessing he'd "lost it" in the heat of the moment.
He reflected that two years ago, he would have completely fallen apart under such pressure.
"Two years ago I think I would have started throwing my darts left-handed, but that is how much I have grown, how much I have matured," Luke explained.
Luke Littler has confessed to losing control during his World Darts Championships last-16 encounter at Alexandra Palace, where the 18-year-old defending champion overcame Rob Cross 4-2 despite facing jeers from sections of the crowd | PAThe world number one acknowledged there's still plenty to learn about handling the crowd and keeping his emotions in check until that final winning dart.
"That's the first time I've been at the World Championships and the crowd have not wanted me to win," he said.
Looking ahead, Luke isn't expecting things to get any easier when he faces Poland's Krzysztof Ratajski in the quarter-finals on New Year's Day.
"I will expect the worst," he admitted.