farewell party; send-off party
Campus slang abbreviation of 追い出しコンパ. Used for parties held to see off graduating students or departing members.
See also: 追い出しコンパ
There's a farewell party for the seniors next week.
I was put in charge of organizing the send-off party.
Variant spelling without the okurigana い; also seen in casual writing.
Abbreviation of 追い出しコンパ (oidashi konpa, 'send-off party'), itself from 追い出す (oidasu, 'to drive out') and コンパ (konpa, from German 'Kompanie' or English 'company', meaning a social gathering).