咕咚

Traditional form:

咕咚

Pinyin (reading):

gūdōng

Definitions:

• splash
• (onom.) for heavy things falling down

Characters:

• 咕 - mumble, mutter, murmur; rumble
• 咚 - onomatopoetic, a thumping sound

Traditional characters:

• 咕 - mumble, mutter, murmur; rumble
• 咚 - onomatopoetic, a thumping sound