to form a group away from other people to discuss something secretly.
They went into a huddle for a minute, then accepted the offer.
get into a huddle
To discuss something privately with a small and/or specific group of people. Likened to a huddle in American football, in which the offensive team gathers together before a play to discuss their plan. Go ahead and get into a huddle with your husband and decide if you want to submit a counter-offer.
get/go into a ˈhuddle (with somebody)
move close to somebody so that you can talk about something without other people hearing: Every time she asked a question, the group went into a huddle before giving her an answer.