transitive + intransitive
: to inhale vapor through the mouth from a usually battery-operated electronic device (such as an electronic cigarette) that heats up and vaporizes a liquid or solid
This electronic cigarette … contains a small reservoir of liquid nicotine solution that is vaporized to form an aerosol mist. The user "vapes," or puffs on the vapor, to get a hit of the addictive nicotine …—John Tierney When a person tokes, eats or vapes cannabis, a wave of THC, or tetrahydrocannabinol, washes into the brain.—Laura Sanders
The problem is that little is known about the precise dangers of being in the same space as a vaper indulging their e-habit.