You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
convulsant
Causing or producing convulsions; convulsive.
convulsant (plural convulsants)
Anything, such as a drug, that causes convulsions
Source: Wiktionary
12 May 2025
(adjective) not tried or tested by experience; “unseasoned artillery volunteers”; “still untested in battle”; “an illustrator untried in mural painting”; “a young hand at plowing”
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.