It may look like a _________, but it's actually a deadly weapon!

[0p3rati0n]

It may look like a microwave oven but it's actually a nuclear bomb!

 

[Crimson_Dragoon]

Ok, so you're going to have to work with me on this one. You see this briefcase I have? No you don't, because it just turned into an attack T-Rex.

/thread

 

[Kiju]

I shall use a famous line for my entry in this thread.

"I feel like I'm gonna break this damn thing!"

 

[ayuri]

giant fishhook claw thing attached to a cane. point n shoot

 

[OptimisticPessimist]

a...

well, that or an attack pug.

...she will eat you.

...The eyes...THE EYES!!!! THE EYES!!!!

 

[SimuLord]

Sushi grenades. They look like delicious sushi rolls, but pull the nori, count 3, and throw and BOOM! For honor of our ancestors!

 

[kek13]

It may look like a pen... BUT IT'S ACTUALLY A PENCIL!!!
*thunder crash

NYAHAHAHAHAHAAHAHAHAHAHAHAHAHAHAHA!!! >

 

[Smeg_head]

A thrown dart that turns into a high speed rocket in midflight

 

[TacticalAssassin1]

THIS!!
http://www.youtube.com/watch?v=abTGAP7tG0Y&feature=related
Or...
A remote controlled helicopter with a hammer (two remote controlled AA-12 shotguns) attached.
Fuckin' awesome. Best thing is some wacky guy from Germany actually made one.

 

[wordsmith]

Umbrella-sniper rifle.

Top that.

Sniper rifle umbrella. People get all freaked out when you're about to shoot their shit up, then you open the umbrella and they die of a heart attack. Whilst you stay dry.

 

[Athol]

A briefcase that actually a gun!

 

[AgDr_ODST]

It looks like a violin case but its really a plasma laser rifle.....And its real!:

/thread. I win and so does America

 

[crudus]

Porcupine shurikens. They may look like porcupines but....waaait.

 

[jakefongloo]

A tic tac that's actually a squadron of F-16's...You can taste the freshness.

 

[Adventurer2626]

My glasses double as laser emitters. I truly give the death glare. ^_^

 

[TriggerHappyAngel]

A .44 Magnum that actually is just a case for a Walther PPK - Nobody will expect that >

 

[Hgame]

Umbrella-sniper rifle.

Top that.

Umbrella Mini nuke launcher.

Umbrella mini nuke launcher launcher

 

[Brad Shepard]

Wendey's chilly, nothing hidden in it, just the chilly.