1. (adj.) done hastily; haphazard; careless
2. (adv.) in a hasty or careless manner
3. (verb) to slap someone (preferably in the face) and then dash, i.e. run away*

*This must be preceded by the slapped person being tricked into reading the word (slapdash), not necessarily aloud.
I just got slapdashed, now I must have my revenge.
by Clovis Fields May 2, 2010
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1. Revising for your exams a week after you have completed them.

2. Throwing a bin carelessly out of the window to hurriedly get rid of rubbish
1, Parent: Haris, when are you going to revise?

Haris: Next week

Parennt: but that is after the exams!

Haris: Slapdash

2. Dr. Blache: Were is the bin?

Haris: Slapdash
by zrix July 7, 2011
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Personified expression of all which is 'Du Frai Sur Le Plip'. A gentlemen of prepipinary wit, which recalls Gunterflupp's 'Tweaty Swap'. It sits atop a moist duvet of lyrical Brie. 9/10
I'm listening to Slapdash's new tune, and it's fucking slapdash!
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An Autobot Powermaster Transformer best known for being "binary bonded" to a Nebulan partner named Lube. Like all Powermaster Nebulan partners, Lube had the ability to put his legs all the way behind his head. (Other amusing Transformer names include Thrust, Rodimus and Skids).
While Slapdash and Lube were hanging round waiting for Decepticons to show up, Lube would keep Slapdash's exhaust pipe greased.
by Rodimus Thrust August 10, 2008
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A jury-rigged repair. Anything held together with duct-tape, bubble-gum or baling wire. A machine put together by a hack , with a hacksaw and a trowel.
Me: That's a slapdash repair.
Used Car Salesman: What's dat?
Me: The windshield is held in by duct tape instead of a rubber seal.
by AviationMetalSmith January 20, 2007
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The act of giving someone a handjob then quickly running away-robbie ransom
Bro my GF just gave me a slapdash last night. I couldnt find her afterward
by like50somalians November 16, 2010
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1. v. tr. to procrastinate or hastily complete a project with unbelievable excellence. This combines the traditional meaning of the adjective slapdash (sloppy), while accentuating the positive aspect of the second syllable dash (as in dashing, impressive, debonair); to MacGyver something.

2. n. a project created by slapdashing. Also, slapdashery.

3. n. a person who exhibits awesomeness by consistently and successfully slapdashing projects.
1. Angus MacGyver slapdashes yet another gizmo to thwart his enemies. May the gods bless you, Richard Dean Anderson. You are an inspiration to us all.

2. That presentation was such a slapdash! How can you pull that off so well? I hate you.

3. She got an A? Pat is such an unbelievable slapdash!
by Rainbow Slapdash March 11, 2014
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