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Motorboating: when a person sticks there head intbetween a womans cleavage and blows hard creating the sound of a motorboat whilst knocking his head against each boob.

The gravy motorboat is where you cover her chest in gravy and motorboat
Guy 1:Hey rachel how do u fancy a gravy motorboat.

Rachel G T: I would love a gravy motorboat, but only if its oxo chicken stock, i dont want any of that beef flavour
by the zurich ninja 01 August 03, 2011
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Jul 12 Word of the Day
The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.
Message: "i'm free this afternoon so come over and fuck me senseless, my parents will be out all day"
Recipient: Mum
Message Sent
- Onosecond occurs here -
by Jimmed September 26, 2006
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