suck in

suck in (third-person singular simple present sucks in, present participle sucking in, simple past and past participle sucked in)

1. (transitive) To cause (someone) to become slowly more and more involved in some business or situation that may not be to their advantage.

   I really didn't want to be on the committee, but somehow I got sucked in.

2. (transitive) To draw inward.

   This is the component of the vacuum cleaner that sucks in dust.

   I sucked in my belly, hoping to hide the extra weight I had put on over the holidays.

• When used in the sense "to cause someone to become involved in a situation", it is usually in the passive; one is sucked in by the situation.

• (cause someone to become involved in a situation:) draw into, draw in, rope in, rope into, suck into

• cuskin, insuck, unsick