xtc

"XTC" is a slang term commonly referring to the drug MDMA (3,4-methylenedioxymethamphetamine), also known as ecstasy. It is a synthetic psychoactive substance that produces stimulant and hallucinogenic effects, such as increased energy, emotional warmth, and altered sensory perception.

Alternatively, "XTC" can also refer to an English rock band formed in the 1970s known for their new wave and post-punk sound.