Get Your Baby Sign Language Poster
Drink! Babies love this sign because it's easy. Within drink, we can later find out what kind of drink your baby wants.
This sign basically looks like you are drinking something. You simply take your dominant hand (in most cases, right), place it near your chin as if you are taking a drink, and that's it!
I have provided photos and slides below, showing both front and side views for clarity.


Side view below:

