Idiom
suck into somethingsuck (someone) into (something)
to cause someone to become involved in something or do something.I got sucked into their argument because I was a friend of the family.I didn't return the salesman's phone calls because I didn't want to be sucked in.
Usage notes: usually used as get sucked into something or be sucked into something, as in the examples, and often said of someone who becomes involved without fully understanding the situation