Wiktionary
sucks up
vb. (en-third-person singularsuck up)
Usage examples of "sucks up".
In fact their mouthparts are modified into a tube that squirts out enzymes through one half and sucks up the resulting vegie or insect soup through the other.
The fertilizer in the river sucks up the oxygen and nothing can live.
Cloud Mother wraps herself around Blue Sky Man and sucks up his warmth.
A magic sifter, or wand of rowan wood, or a stone that, buried in the field, sucks up evil influences.
For weeks upon weeks, Bill learned, sucking up knowledge as a sponge sucks up water.