無中生有
simp无中生有mou4 zung1 sang1 jau5wú zhōng shēng yǒu
English
- to create something from nothing (idiom)
- to fabricate; to create a rumour; literally: from nothing to create something
粵語 — Cantonese
- 虛構、老作謠言；造謠
Examples
根本就冇噉嘅事，你唔好聽佢無中生有喇。
There isn't such a thing at all. You shouldn't believe the rumours he creates.
Sources: cc-cedict, rime-cantonese, words.hk