*Caveat- I never did the bar or club scene. Ever.*
I always answered whatever question there was truthfully. I remember an ex asking if I liked eggplant, because his Mom apparently made a mean eggplant parmigiana. I told him the truth. "The only eggplant I've ever had had the taste and texture of wet sand, but I'm willing to give it another shot."
Had another engineering student hit on me in the lab and ask if I wanted to go to a bar with him and his buddies. He got "Not big on the bar scene, but I'd love to get some coffee."
I've never been one to lie, but I've also never been one to make a big deal out of something. "Want a whiskey and coke" probably would've gotten "If you'll leave the Coke out, sure!" "What's your favorite sandwich place" would've gotten "Not a big sandwich person, but there's a great [cuisine] restaurant near here. Have you been there?"
Deflect and redirect, is what it boils down to.