The first one that comes to mind is nicotine. Nicotine is a central nervous system (CNS) stimulant.
Nicotine is the most prevalent stimulant found in tobacco.
Nicotine
Nicotine
nicotine
Nicotine!
nicotine
nicotine
It is a stimulant.
Nicotine is a stimulant.
No it's not tar, it's nicotine that is the stimulant.
Tobacco is a stimulant and so can make you shake.
crack kills