overpack
/ˌoʊvərˈpæk/
verb
- To put too many items into a bag, suitcase, or container, making it difficult to close or carry.
- I always overpack for trips, bringing three pairs of shoes when I only wear one.
- Don't overpack the suitcase or the zipper will break.
- She tends to overpack her lunch box with snacks she never eats.