To take (a liquid) into the mouth and swallow.
Verb form usually with one movement. E.g. "I'm thirsty. I need something to drink." However, this verb may be plural with more than one movement.
Plural verb for DRINK. Longer repeated movement than the noun.
A liquid that can be swallowed as refreshment or nourishment. E.g. "Do you want a drink?" Repeated, short movement (noun).
There are several signs for 'drink'.
A different handshape (classifier) for drinking some alcoholic fluid (cockail, for example).
To drink typically with a British tea cup.
To drink typically with a mug.
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.