godan ~る verb / intransitive verb:

• to groan; to moan
• to roar; to howl; to growl
• to hum (engine, wind, etc.); to buzz; to whiz; to sough; to make a low, dull sound
• to ooh and aah (in admiration)

godan ~る verb / transitive:

• to sing in a strong, low voice (esp. traditional chant or recitation)

godan ~る verb / intransitive verb:

• to be about to burst; to overflow

expression / adverbial noun:

• to a great extent; incredibly (tasty, much, etc.); (money) to burn; rolling in (cash)