Pronunciation: [pˈa͡ɪl ˈɪn] (IPA) 
The phrase "pile in" is spelled with the /p/ sound followed by the diphthong /aɪ/ (as in "eye") and the alveolar consonant /l/. The stress falls on the second syllable, so it is pronounced like pye-lin. This colloquial term means to squish together or cram into a small space, usually in a vehicle or a room. Examples of usage include "We can all pile in the car and go to the beach" or "Let's pile in and get this party started!"
"Pile in" is a phrasal verb that is used to describe the action of filling or cramming into a limited space in a rushed or disorderly manner. It conveys the idea of a group of people or things quickly entering or occupying a confined area in a way that leaves limited space remaining.
The term is often associated with a sense of urgency or excitement, suggesting a spontaneous or hurried movement. It commonly implies a crowded or congested situation where individuals or objects are piled on top of each other to make the best use of the given space.
The phrase can be used in various contexts. For instance, it can refer to a group of people enthusiastically entering a vehicle, such as a car or bus, with minimal regard for personal space. It can also describe people flocking into a room or gathering, often suggesting a lively or energetic atmosphere. Additionally, "pile in" can relate to the act of loading items or belongings into a storage space or container with little concern for organization, focusing solely on fitting as much as possible in the given area.
In summary, "pile in" encompasses the act of aggressively filling or cramming people or things into limited space hastily, often conveying a sense of disorder, enthusiasm, or urgency.
The phrase "pile in" has its origins in the late 19th century and comes from the word "pile", which means to heap or stack things on top of each other. It is derived from the Latin word "pila" which means a ball or a pillar. In the context of the phrase "pile in", it refers to people stacking or crowding themselves together in a small or confined space, often in a hurried or disorderly manner. The word "in" simply indicates the action of entering or going inside.
