DICT.TW Dictionary Taiwan

 bunch up
      v 1: form into a bunch; "The frightened children bunched together
           in the corner of the classroom" [syn: bunch together,
           bunch]
      2: gather or cause to gather into a cluster; "She bunched her
         fingers into a fist"; "The students bunched up at the
         registration desk" [syn: bunch, bundle, cluster, clump]