How to come up with new units.

[DeltaV]

>DeltaV is a sofa that sorts your mail, is built and maintained by tiny nano-robots and induces lucid dreaming.

[Whiteagle]

>DeltaV is a sofa that sorts your mail, is built and maintained by tiny nano-robots and induces lucid dreaming.

Oooh, my dad could use one of those...

[Tzan]

It's like a normal breathalyser, but it runs on methane.

[DeltaV]

God is a sock that's covered with realistic fur! It improves blood clotting

[Natalya]

I never have a problem deciding what to build... My problem is always how to build it.  Recently I have been working on some kind of alien but all of my designs have been crappy and  too flimsy for use.

[Colette]

I never have a problem deciding what to build... My problem is always how to build it.  Recently I have been working on some kind of alien but all of my designs have been crappy and  too flimsy for use.

Does this help?

[Ben-Jammin]

[Natalya]

I don't have parts like that.  I guess I could get some though.

[BrikSaber]

snuggle Man is a chocolate bar! It soothes babies!
Jesus is a dog collar that can communicate with your milk carton, scans its user's fingerprints and can light cigarettes.
Warhead is a necklace that waters your plants! It scares dogs.
Penis is a razor that moulds to fit its user, floats in water and will not work outside of the UK.
A Dead Baby is a bathtub that increases your sex appeal and collects litter.
Love is a tricycle that fetches your hat, revolves and affixes to any flat surface.
Briksaber is an electric drill that looks really, really good! It is programmed against harming humans and defies gravity.
Silva is a car! It does away with household drudgery!
Natalya is a spanner that tracks its position with GPS and may have harmful side effects.
Silent_Sigfig is an explosive device that folds away when not in use and induces lucid dreaming.
Rayhawk is a headband that can be programmed to perform simple tasks, is powered by a single hamster and is made entirely of wood.

And, for some self-reference:
"The Prior-Art-o-Matic is a pair of shoes! It jams mobile phone frequencies!"

[IX_Legion]

Brikwars is a toothbrush that can play chess!
LEGO is a rocket launcher that runs on six little wheels! It is powered by clockwork.
Death is like a normal airbag, but it can be used in zero-gravity.
Life is a shopping bag that checks your spelling, is laced with vodka and glows with an eerie green light.
Thor is like a normal coffee cup, but it tells the time.
Zeus is a robotic dog that emits harmful gases!
Epicness is a bubble-car that mimics the movements of a lizard and smells of flowers. (That's a lie...)
Awesomeness is a web page! It kills weeds down to the root! (Better!)
Poop is a false moustache that cannot be removed from your house! It communicates via Instant Messenger and comes with its own storage kennel.

[Killer Karetsu]

Killer Karetsu is a piece of string that gets +2 to kill undead, plays a mean game of Go and is powered by a single hamster.

[Natalya]

Okay, random ≠ good.  Or funny.  You need some coherency which this thing obviously lacks.