GORILLA: The American Sign Language (ASL) sign for "gorilla / ape"
 

To do the sign for "gorilla" pound your chest a few times. 
I recommend you practice this sign while grocery shopping in the produce section. (In front of the bananas.)

GORILLA / APE:

Sample sentence: GORILLA CAN EAT GRASS? (Can a gorilla eat grass?)

If you want to learn more animal signs, check out:

Notes: 

Also see: MONKEY
APE

ANIMALS