💥To pile something up
1️⃣To arrange things in a pile
🔺Newspapers and magazines
were piled up on the floor.
🔺Please pile up the plates I've dried.
2️⃣If something piles up, or if someone piles it up, the amount of it increases a lot, in a way that is difficult to manage
🔺All the time the bills were piling up.
🔺These policies could be piling up financial trouble for future governments.
🔺The traffic starts piling up around this time.