Noun: formication ,for-mi'key-shun
- Hallucinated sensation that insects or snakes are crawling over the skin; a common side-effect of extensive use of cocaine or amphetamines
"The drug addict complained of formication, feeling as if ants were crawling on his skin"
Derived forms: formications
Type of: paraesthesia [Brit, Cdn], paresthesia [N. Amer]
Encyclopedia: Formication