Used to express strong affection, showing deep emotions or feelings towards someone. I can't stop thinking about her; I've really got it bad.
Pro Tip 2/3
Romantic Troubles
Highlights the problematic side of love, like distractions or poor decisions made because of strong feelings. He's ignoring all his friends lately. He's got it bad for her.
Pro Tip 3/3
Casual Expression
It's informal and typically used among friends or in casual conversations, not in formal settings. Has got it bad? Yeah, she talks about him non-stop.