guàn​shuǐ

irrigate

灌水 guàn​shuǐ
irrigate verb
to irrigate or pour water into a container or field
falsify verb
to cook the books or inflate financial and statistical data
plumping verb
to inject water into meat to artificially increase its weight for sale
post filler verb
to post low-value messages, small talk, or spam on internet forums

Frequency

Written text
1.85 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)