get to (so) definition
Arrive at, reach, as in When we get to the store we'll talk to the manager.
Begin doing something or start to deal with something. For example, We got to reminiscing about college days, or Let's get to this business right now. [Mid-1800s]
Bribe someone, as in We're sure the dealer got to one of the narcotics agents. [Slang; 1920s]
Influence or affect, especially adversely, as in This loud music really gets to me, or Mother's crying always gets to him. [Colloquial; 1960s] Also see get under someone's skin.