Phrasal verbs consists of a basic verb + another word or words. The two or three words that make up a phrasal verb form a short 'phrase' - which is why we call them 'phrasal verbs'.
Phrasal Verb:
slink around
Meaning:
to creep or slither around furtively.
Example:
Don't slink around like that. Someone is likely to take you for a robber.