Leave a game melodramatically

• Suddenly and angrily stop playing a game, in modern lingo
• Give up out of frustration, in slang
• Leave an online game in a huff
• Click the "X" when vexed, maybe
• Angrily abandon a video game

Wiktionary Word definitions in Wiktionary
alt. (context intransitive slang video games English) To quit an online video game in anger. vb. (context intransitive slang video games English) To quit an online video game in anger.