noun
sold out; out of production
Wasei-eigo from English 'lot up', used mainly in retail and manufacturing to indicate that a product or batch is completely sold or no longer available. Not used in standard English.
wasei-eigo (Japanese-coined English), from lot up
この商品はすでにロットアップしています。
This product is already sold out.
人気の限定モデルは発売直後にロットアップした。
The popular limited model sold out immediately after release.