
Have a thing for somebody/something
Romantic Connotation
Usually implies romantic interest, more than just a casual liking.

Ever since we met, I think I've had a thing for her.
Subtle Admittance
Indicates one's preference subtly without being overtly direct.

I would say I've got a thing for jazz music, don't you think?
Casual Phrase
It's an informal expression mostly used among friends or in casual contexts.

She mentioned she has a thing for guys who play guitar.
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