Ugandan affairs

Etymology
Probably a variant of, from , said to have been by the English journalist and poet  (born 1949), based on a 1973 incident at a party at which the Irish journalist  (born 1944) explained why she was in the arms of a former Ugandan cabinet minister by saying they were “upstairs discussing Uganda”. The incident was reported by the British satirical and current affairs magazine  on 9 March 1973, which then popularized the expression by using it to refer to other sexual affairs.

Noun

 * 1)  Often in the form to discuss Ugandan affairs: sexual intercourse, usually an extramarital affair.