heap up

heap up

1. To collect or gather. Used tissues heaped up next to my bed while I was sick.
2. To gather or form something into a pile. In this usage, a noun or pronoun can be used between "heap" and "up." Heap the dirt up, and I'll come sweep it into the dust pan.
See also: heap, up
Farlex Dictionary of Idioms.

heap something up

to make something into a pile. He heaped the mashed potatoes up on my plate, because he thought I wanted lots. Heap up the leaves in the corner of the yard.
See also: heap, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

heap up

v.
1. To pile something up: I heaped up the dirty clothes in the corner of my room. The floodwaters heaped debris up onto the beach.
2. To accumulate: Garbage heaped up in the streets.
See also: heap, up
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • gather up
  • gather in
  • collect up
  • garner
  • garner in
  • garner up
  • scoop up
  • concentrate
  • concentrate at
  • concentrate at some place