a elaborate hoax to fabricate one's sporting and/or sexual prowess to gain recognition and sponsorship revenue. Originally based on professional sailor Chris Russell who is actively campaigning for Olympic selection in the Laser Class for the UK.
Guy: Dude, I banged 4 girls at that party, they were so hot.
Guy 2: Yeah right, you're such a crussell. The only thing you've ever nailed was your finger to a piece of four-be-two in wordwork class.