Necking

• Making out, a term for heavy kissing; despite the obvious lexical associations, necking does not refer specifically to kissing of the neck
• The process by which a ductile material deforms under tension forming a thin neck; see necking (engineering) and manufacturing.
• Necking down: reducing the diameter of a firearm's barrel to fit a smaller cartridge
• A behavior of giraffes (see giraffe#Necking)

See also: Neck (disambiguation)