"And that when the servant of Allah stood up" "calling upon Him" - meaning calling upon Allah - "they almost" - the polytheists almost - "became like a packed mass against him" - an interpretation meaning because of their intense anger toward him.

Muhammad said: Everything that you attach to something else with a strong attachment, [you have packed it together (labbadtahu)]. The interpretation of Surah al-Jinn from verses (21-28).