noun
rice bowl with beef/pork and egg
A pun on 親子丼 (oyakodon, chicken and egg rice bowl). Uses beef or pork instead of chicken, so the meat and egg are 'strangers' (他人), not parent and child.
See also: 親子丼
今日のランチは他人丼にしよう。
I'll have a beef and egg rice bowl for lunch today.
この店の他人丼は豚肉を使っている
This restaurant's tanindon uses pork.
親子丼 uses chicken and egg (parent and child), while 他人丼 uses beef or pork with egg (strangers).
From a pun on 親子丼 (oyakodon). 他人 (tanin, 'stranger') replaces 親子 (oyako, 'parent and child') because the meat is not chicken.