If something is like watching paint dry it means i is extrtemely boring or slow.
The expression comes from the idea of literally watching paint dry on a wall. Since paint dries slowly and nothing much happens while it does, the comparison suggests a very tedious experience.
The expression comes from the idea of literally watching paint dry on a wall. Since paint dries slowly and nothing much happens while it does, the comparison suggests a very tedious experience.
The lecture was so dull it felt like watching paint dry.