Jan 06, · Girlfriend Jokes That Are Serious Mood Lifters. Knock Knock Jokes That Are Full Of Love. If you liked our suggestions for + Best Love Jokes then why not take a look at 65+ Valentine's Day Jokes That Are Perfect For Captions And Cards, or 55+ Best Heart Jokes . Oct 25, · Knock-knock jokes are short and sweet, and they'll allow your partner a chance to participate in the joke (though I definitely can't guarantee they'll be a willing participant). For maximum. Knock Knock Jokes Tips. Knock knock jokes are the pinnacle of practical jokes, and can be played on friends, family, and even your crush!Use the following tips to make the most of your joke: 1. Be sure to tell the joke subtly, so it doesn’t come across as a threat.