1. a character on duck tales
2. an erect penis
hey, your launchpad mcquack is about to lift-off
by bs & co March 01, 2005
Top Definition
A sexual act with several steps.

1. Talk your partner into giving you 'road head', or performing oral sex on you while you drive his/her car.

2. During climax, yell 'GEE WHIZ MISTER McDEE!' and crash the car at high speed into a tree or other stationary object. Your seat belt should save you, but likely eject your lover from the vehicle.

3. Like Launchpad McQuack, walk away from the crash.
Before those detectives killed him, Phil had pulled the old Launchpad McQuack on eight different women around the Ruth Dykeman Center for runaway girls.
by Jaroferic January 10, 2012
A song by Sex Bob-omb, an indie rock band consisting of Stephen Stills, Kim Pine and Scott Pilgrim. Not the actual name of the song.
Scott: Okay, let's start with Launchpad McQuack!
Stephen: That's not the actual title of the song-
by KrizzyKid August 03, 2013
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