Verb
(transitive, colloquial) To suck (something) into a vacuum cleaner, irrespective of brand
Don't worry about the mess on the carpet - I'll hoover it up later.
(intransitive, colloquial) To do the vacuuming
I'll hoover up after I've finished washing the dishes.
(colloquial, idiomatic) To consume (food or drink) quickly, especially by taking it into the mouth directly from the plate rather than using cutlery.
(transitive, colloquial, figuratively) To avidly absorb something as if by a vacuum cleaner.
Source: en.wiktionary.org