uvlačiti

1. (+ acc.) to pull in; to draw in
   Uvek uvlači stomak kad se slika. — He always pulls his stomach in when he's having his picture taken.
2. (someone u something) to drag into; to involve in
   Ne uvlači me u svoje probleme! — Don't drag me into your problems!
3. (uvlačiti se) to creep in; to crawl into
   Hladnoća se uvlači kroz stari prozor. — The cold creeps in through the old window.
   Mačka se uvlači pod krevet kad dođu gosti. — The cat crawls under the bed when guests arrive.
4. colloq. (uvlačiti se + dat.) to suck up; to kiss up
   Stalno se uvlači šefu. — He's always sucking up to the boss.

In the sense 'suck up', the person is in the dative: uvlačiti se šefu.