You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
EFF
Initialism of Electronic Frontier Foundation.
A phonetic spelling of the letter f (normally spelled ef), the initial letter of the vulgar term fuck. Compare pee.
eff (third-person singular simple present effs, present participle effing, simple past and past participle effed)
(euphemistic, slang) Fuck (the taboo swear word, but not in the sense "to copulate")
• feck, frak, frig; see also copulate or copulate with
Source: Wiktionary
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.