1

big and round (e.g. eyes, shaven head, etc.)

1

hard lump under the skin (e.g. adipous tumor, lymph node tumor, etc.)

2

grinding against; pressing or rubbing with turning movements (e.g. someone's shoulders with one's elbow)

Note: onomatopoeic or mimetic word

3

rolling one's eyes; goggling one's eyes; googly eyes

4

rattling sound