Mine is antidisestablishmentarianism.

Mine is a non-sensical word "skumilumpump"; meaning that something is a bit weird, strange, mysterious or just plain odd.
I like "pashmina" and "cello".
Trirectangulariscosolesetrihydral angle
and what do you think it is?
Polytetrafluoroethylene (PTFE)
Yellow.
I once thought up a scenario of how the word yellow came about to describe the color yellow. It was really psychotic and mind blowing.
It's kind of weird how all the words of today were once meaningless gibberish way back then. I have actually heard about language scholars going crazy over that thought. It kind of scared me when I started to think about it o.o
Grindhafjurdahurda. It was used in a commercial about mentos I believe, at least here in the Netherlands. It sounds really funny, everytime I hear it I giggle.
Bork.
It's how my dog barks. It reminds me that even though he is weird, he is still lovable.
Serendipity: An accidental discovery (while searching for something else)
I like the meaning, and the sound.
Trirectangulariscosolesetrihydral angle
and what do you think it is?
I give up. Please tell me!
p.s. google gives up too
Bonnie a Scottish multi use word that can be used for all ages & genders
Trirectangulariscosolesetrihydral angle
and what do you think it is?
I give up. Please tell me!
p.s. google gives up too
Tri-rectangular-iscosolese-tri-hydral angle.
??? please tell me, too! All I can think of is a 3 sided pill for high blood pressure. But that can't be right 
I think it has to with this Angles:
Angles: Germanic tribe that resettled in England and formed the Anglo-Saxons together with the Jutes and the Saxons
Or does it simply talk about the "corners" of the Trirectangulariscosolesetrihydral??
Remembered another word that I used to hold high, "funkln" which is German for "sparks". And "sehnsucht" is yet another German word that comes to mind just now. I leave the translation part to DocMartin, thank you!
"sehnsucht" doc's gone to bed
"longing", which C. S. Lewis used as a synonym for "joy". It is has overtones of desire and nostalgia