To interrupt someone with a work related discussion or meeting when they are either (a) just about to leave to go and get a coffee on a break with others, or (b) on their way out to take a coffee break with others, thereby delaying the whole group.
Verb; the characteristic in hip hop to "sample" from, in this case, Gospel audience participation where the pulpit askes for a responce to a question or revelent matter and those in attendence respond with affirmation.