A crash pad may refer to either of the following:

• In climbing, it will refer to a bouldering mat.
• Padded shorts, to protect the buttocks from injury during falls ^*.
• Colloquially, it often refers to a house or other dwelling where a person rests. Historically, the term crash pad was hippy slang for a place to sleep listed in an alternative society network of addresses. The term was subsequently used in the punk subculture, particularly in reference to a place where touring bands could stay for free, often called a punk house.
• In the aviation industry, the term is used for temporary lodging for airline flight crews. See also Crashpads for flight crews- Pilots and Flight Attendants