This is the 6568th most frequent Japanese word.
テンコモリ
"テンコモリ" means "a large heap or an abundant amount."
Here, 'テンコモリ' is used to describe the large portion of food given, emphasizing abundance.
ランチメニューのカレーライスがテンコモリで出てきた。
The curry rice from the lunch menu came in a big heap.
In this sentence, 'テンコモリ' is metaphorically used to highlight the large number of people.
昨日のコミュニティイベントで参加者がテンコモリ集まった。
A lot of participants gathered at yesterday's community event.
Here, 'テンコモリ' is used to describe an overflowing amount of joy or happiness.