Результаты из Коллективного Словаря Reverso
early check-inn.
checking into the hotel before the regular time; may incur a fee.
burst at the seamsv.
to be filled beyond regular capacity; a garment like trousers you're wearing and bursting at the seams (whether because they shrank in the wash or you gained weight) would be a perfect literal example of this idiom and figuratively, it means: to be beyond full.