blocks up
Stops the flow
Blocks up means to obstruct or clog something, preventing flow or passage: Grease blocks up the drain, My sinuses are completely blocked up.
It can also mean to fill in an opening: They blocked up the old doorway with bricks.
The phrase emphasizes the resulting state of obstruction more than the act itself.
- clogBlock or wooden shoe
- obstructBlock or hinder passage
- backs upSupports or reverses
- occludeBlock a passage
- jamCooked fruit spread
clogs up · impede · blockade · stop up · choke · congestion · gum up · barrier · gets in the way · stuff · bung up · interruption · plug · obstacle · fill · backed up · constipate · seal