Roll in and Shake hands

Roll in verb - Pour or flow in a steady stream.

Shake hands and roll in are semantically related. In some cases you can use "Shake hands" instead a verb "Roll in".

Shake hands verb - Take someone's hands and shake them as a gesture of greeting or congratulation.

Roll in and shake hands are semantically related. Sometimes you can use "Roll in" instead a verb phrase "Shake hands".