1. piled or stacked excessively high; heaped beyond a reasonable or safe limit
Usage: often used to describe containers, loads, or piles that exceed normal capacity

Examples

• The overheaped plate of food was difficult to carry without spilling.
• The truck arrived with an overheaped load of gravel that exceeded weight limits.
• She complained about the overheaped laundry basket that wouldn't close.
• The overheaped compost pile began to settle after a few weeks.
• The baker arranged the overheaped display of pastries in the window.