 So take a moment to make your kid laugh, because dad jokes rule. Make your kid laugh today. Go to fatherhood.gov. Brought to you by the U.S. Department of Health and Human Services and the Ad Council. AdoptUSKids presents What to Expect When You're Expecting. A teenager learning the lingo. Jelly. Jelly adjective. Jelly is a shorter, better way to say jealous. As in, Chloe, I am like so jelly of your unicorn phone case.