(n) a sexual position whereby the male partner kneels on all fours whilst the receiving partner (male or female) grasps onto the other's neck and body using their arms and legs whilst underneath. The partner 'on top' begins to gently rock, swaying the partner underneath similar to the fairground childrens' ride.
Pete: Hey, how was that date last night with lizzy?
Andy: Oh yeah, was good thanks. Things started hotting up back at mine and she suggested we try the pirate boat, it was bad ass.
Pete: Yeahh, you go carnival on that bitch motherfucker!