The amount of time needed to account for senior citizens when trying to make an appointment. When going through a high senior citizen density area (such as the supermarket at noon), you must take into account the relative speed and delays propogated by senior citizens. Example: We have to leave earlier if we take into account the Senior Citizens Factor.
SENIOR CITIZEN FACTOR (SCF)
Meaning of SENIOR CITIZEN FACTOR (SCF) in English
Slang English vocab. Английский сленговый словарь. 2012