how to respond to “there’s just something about you”?

i've gotten this a few times from guys and i never know how to respond, i know it's a compliment but a thank you feels awkward? saying something like "oh yeah?" or "is that so?" is flirty but just generic and boring in my opinion, plus it doesn't give him much to work with conversationally. what else can i say that's flirty and/or funny to this???