where there is a lot of cum involved during sexual activity.
my god lisa that was a massive cumfest we just had!
by Jakey-G July 27, 2005
1 more definition
where lots of cum (sperm) is involved in a sexual activity
my god me and daniel have a lot of wanks togeter and spunk alot eg cumfest lol
by tim raine September 06, 2005