samenklappen
Samenklappen is a German term that translates to "folding together" or "collapsing." It describes the action of something becoming smaller by folding in on itself or being pressed flat. This can apply to a variety of objects and situations.
In a physical sense, a chair might samenklappen, meaning it can be folded for storage or transport.
Figuratively, samenklappen can refer to a mental or emotional state. Someone might feel like they "samenklappen"