是但

[Meaning] Slap together (with roughly and freely)

Example
Mother: What do you want to eat tonight?
Son: Just cook something freely.

Mother: 你今晚想食乜嘢啊?
Son: 是但炒幾味啦.

Link:
是是但但

食飽飯等屎屙

[Literlization] Waiting for shitting after having a meal
[Meaning] Nothing to do

Example
I have been left off, nothing to do but staying at home.
我比人炒咗，係屋企冇野做，食飽飯等屎屙