 Call 800-965-8004. 800-965-8004 now to receive a free home safe and up to $7,500 in free silver. 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.