Reddit users have been sharing their best (and worst) knock-knock jokes, and honestly, some of them are just too good not to pass ... 25 Funny Lent Memes For Anyone Who Didn’t Give Up Looking ...

There's nothing like a good, old-fashioned knock-knock joke ... go ahead and pull up this list of 140 knock-knock jokes for adults, kids, and even your crush (yep, we've got some flirty ones ...