verb:  (transitive) To eat or drink noisily.
verb:  (intransitive) To make a loud sucking noise.
noun:  A loud sucking noise, especially one made in eating or drinking.
noun:  A mouthful of liquid sucked up.slurpy, guzzle, gulp, gobble, chomp, swig, snarf, munch, swallow, chug, more...

drinks noisily,  to suck,  loud drinking noise,  snarfing sound,  sucking noise