Contraction of "fuck" and nah (being synonymous with "no") to form a emphasized statement of disagreement or answer to a query. Similar to saying "fuck no" but phonetically abbreviated.
by niok chang September 18, 2006

Breasts that look slammed into two vertical lines but extrude much in the way of normal breasts. Often occurs in spring.
by Niok Chang April 18, 2004
