Tinder is a dating app that helps you connect with potential matches in your area. With a swipe of your finger, you can browse through profiles, find people you're interested in, and start conversations with them. Whether you're looking for a casual hookup or a long-term
From Wikipedia
Tinder is easily combustible material used to start a fire. Tinder is a finely divided, open material which will begin to glow under a shower of sparks. Air is gently wafted over the glowing tinder until it bursts into flame. The flaming tinder is used to ignite kindling, which in turn is used to ignite the bulk material, to produce a fire.