Dear SNL: You Ripped Off My Hackathon Project

Immature humorists borrow; mature humorists steal.

Also, it's a really obvious joke. Tinder only has one mechanism (the swipe) so inhibiting the ability to swipe left is pretty much the only viable joke. As for the name, surely you've noticed that there's about a hundred companies with names involving a common word missing a vowel? Get over it - insofar as it may have copied your work, you can treat it as a vote of confidence, but that's all.