it means the same thing as 333 or 55555
In other words, what is there about 4444 that makes it "interesting".
The answer is that it is composed of the digit 4, 4 times.
Backwards
mosquito
Big Brained (or smart)
Pea pod.
Turkey in the straw
Big Brained (or smart)
It mean "clever after thought"
Noon tea.
"Open sesame."
Scre yu
Getting it all together
equestrian without the H