party; social gathering; mixer
Colloquial abbreviation of コンパニー (company). Refers to a casual social event, often among students or colleagues, such as a drinking party or a mixer.
See also: カンパニー
We held a mixer for the club's new members.
There's a club party tonight.
I attended the welcome party for new students.
I attended a club mixer for the first time.
We had a party at a bar near the station.
カンパ means a fundraising drive or donation collected for a cause, while コンパ is an unrelated word for a casual social party; they only sound alike.
Abbreviation of コンパニー, from English 'company'. The term originally referred to a group gathering and evolved to mean a casual party or mixer.