Possible Clues:

• Texter's "My bad"
• 'pls forgive me'
• 'My bad,' in a text
• Texter's "My bad!"
• "omg my bad"
• Shortened word of apology
• Texter's 'My bad'
• 'My b,' in a text
• 'Lol my bad'
• 'my bad'