You betcha. I've tried to narrow it down to *1* word; like ball, play, no; he has mastered several hand signals for duck hunting w/ my son; for me, I put my palms down and lower my hands for him to *go rest* .... especially when we are playing fetch with his beloved tennis ball ....he doesn't know when to stop...he'll kill himself with exhaustion ... he is so obsessed with fetching *HIS* tennis ball.
As someone mentioned, we even *spell* a word, so he won't get needlessly excited.
