My 8-month-old grandson is a genius. Sort of.

With Bubby ahead of him by almost exactly three years, Baby Mac does his darnedest to keep up with his brother, to reach major baby milestones in record time. And he's succeeding, for the most part.

I showed you not long ago that Baby Mac already nearly walks, sort of, and will surely soon be in full-fledged, fully upright, forward motion soon.

Baby Mac already talks, too. Sort of. With baby sign language, at least.

I always thought the baby sign language trend was a heap o' hooey. Until, that is, I saw it in action with Baby Mac.

To bring you up to speed on what I'm babbling about, here are a few basic baby sign language signs:

Megan taught Baby Mac how to sign all done, and he now signs it often—and adamantly. He lets one and all know when he's all done with his food, all done with being held, all done with his nap, all done with staying where he's supposed to be staying in the bathtub, playroom, any room.

Baby Mac has all done down so well, he actually has started saying it. Verbally. Literally. When he feels his sign method isn't getting the desired action, Baby Mac babbles "ah dah, ah dah, AH DAH!" Baby Mac leaves no doubt when he's all done—with anything. Chalk it up to signing.

Megan's working on more with him, too. Not just more phrases, but the actual word "more", mostly in reference to more food of some sort, so Baby Mac can make it clear that his lack of attention to what's on the spoon held in front of his face has nothing to do with satiety and everything to do with wanting to watch anything and everything that's going on around him at all times. He understands "more" but has yet to actually sign it. Considering his level of genius, though, I'm sure that reflects purely on Baby Mac's lack of fine motor skills, not his mental acuity.

There are plenty of other words and phrases, too, that would benefit Baby Mac—and his family—such as hungry, brother, mommy, daddy, change diaper, and I-seriously-need-attention-paid-to-me-and-only-me-right-now-at-this-very-moment. Oh, wait. He has that last one down already and holds back not one bit in expressing it loud and clear, sans hand signals of any sort.

I personally am pushing for Baby Mac to start using the grandma sign. I get to visit my grandsons again in April. When I do, if I'm greeted by Baby Mac with smiles and the sign for "grandma," that is when I'll know for sure that little butterball of a baby boy is a true genius. Or, at the very least, that he adores his grandma.

Which, of course, is more than enough to qualify him as a genius in this grandma's book.

Today's question:

What is your experience with sign language, baby or otherwise?