And As To Being In

Where Do You Come From? And Where Are You Going? Look Up, Speak Nicely, And Don't Twiddle Your Fingers All The Time.

For The Snark Was A Boojum, You See.

The Recent Extraordinary Discovery In Photography, As Applied In The Operations Of The Mind, Has Reduced The Art Of Novel-writing To The Merest Mechanical Labour.

I'm Very Brave Generally,' He Went On In A Low Voice: 'only Today I Happen To Have A Headache.' (tweedledum)

Well, "slithy" Means "lithe And Slimy." "lithe" Is The Same As "active." You See It's Like A Portmanteau - There Are Two Meanings Packed Up Into One Word.