Forgot to get a gift? There's still time to ship some nautical nonsense down to his pineapple under the sea. Here are a few ideas:
An abrasive side, like the one his snail Gary ordered for him so he'd stop being such a doormat. (Spoiler: Grandma ended up with it,)
A CD of "Musical Doodle," the infectious earworm that almost ruined his life -- and may still be annoying Squidward to this day.
Boating lessons with Mrs. Puff, since those always work out so well. And he needs them, since that driver's license was given under false pretenses and was quickly shredded.
A plateful of Pretty Patties, the Krusty Krab specialty that Bikini Bottom residents loved, until they discovered they tued their skin rainbow colors and made their tongues glow in the dark.