He hoovered up his soup in seconds.
hoover up
idiomTo consume (food or drink) quickly, especially by taking it into the mouth directly from the plate rather than using cutlery.
Origin
disputed originSee hoover.
After skipping lunch, she hoovered up the pasta straight from the plate without even using a fork.
The starving hikers, having eaten nothing for two days, hoovered up every last crumb of bread from the tin, their manners forgotten.