You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
umm
Implying hesitation.
• er
• hmm
• um
umm (third-person singular simple present umms, present participle umming, simple past and past participle ummed)
(intransitive, rare) To make the umm sound to express confusion or hesitancy.
• MMU, Mum, mum
Source: Wiktionary
9 May 2025
(noun) anything in accord with principles of justice; “he feels he is in the right”; “the rightfulness of his claim”
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.