Lean in - Idioms by The Free Dictionary
lean in (to something)
to incline or press into something. You have to lean into the wind when you walk or you will be blown over. As you walk into the wind, lean in a little bit. The north wall of the barn leans in a little. Is it going to fall?
References in periodicals archive
Both appear often, and uncontroversially, in Lean In.
For all of Sandberg's social fluidity, she is taking a risk with Lean In.
The curved base flexes as you move, allowing you to lean in
any direction giving a full range of motion and being curved it won't damage your lawn like many garden seats.