As far as concerns one.

A suburban area in both borough of Sutton, Greater London and Epsom and Ewell borough, Surrey. Part of the postcode area, KT4, is also in Kingston upon Thames.

(probability theory) The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday.

A suburban area of London in Lewisham borough, Greater London. / A small suburban area of London in Chiswick district, borough of Hounslow, Greater London (OS grid ref TQ2077).

A party where children are brought together to spread measles between each other, allowing them to develop immunity for life, as the consequences of measles infections in adulthood are much harsher than in childhood.

plural of party boy

(slang) A male prostitute.

Synonym of firing squad

Someone who was once a partner (any sense) but is not one any more.

(US) A social event in the coastal United States, held during a hurricane, where attendees bring supplies and stay with their host for several days.