My experience with loop someone in doesn't mean involving them in a particular physical discussion - it means adding them to the the group of people who share a piece of knowledge or are contributing to a body of work. So "loop someone into chatting" doesn't work; "loop someone into a discussion" only works when "discussion" means an ongoing and intermittent discussion. 1 A common explanation for someone acting out of character is for the person to be under the influence of some drug, so there are some expressions that reference drugs as a theoretical explanation for the unexpected behavior.

Understanding the Context

This doesn't have to be a literal accusation of drug use, it can be a way of saying the person's behavior is unexpected. I'm looking for a phrase that describes someone who's really bad at cooking, similar to 'green fingers' for someone who's good at gardening. There doesn't seem to be any such phrase from a Google s... I would agree with instinct71.

Key Insights

It's used as follows: - say an email is sent to a list of recipients, but someone was omitted or the topic needs to include other recipient (s). The new recipient (s) are added to the To: or CC: fields and their names are also added to the body of the email with a ++ or + , just to inform everyone on the current distribution that others have been added to the ...