A speck of dust.
The biggest shadow I have personally seen is probably the one from the Empire State Building.
no he is the biggest dumbshit i have ever seen
its the biggest penis ive ever seen
The python was the biggest snake i ever seen.
a ballsack
Inside a cocoon, the most fascinating thing I have ever seen is the transformation of a caterpillar into a butterfly.
NO BREWARRINA IS THE BIGGEST HOLE IVE EVER SEEN
Its ''είναι το μεγαλύτερο πράγμα που έχω δεί ποτέ'' (ine to megalitero pragma pou exo di pote).
5 to 6 feet
No-one has ever seen one.
Tachyon is the fastest thing ever because its slowest velocity is the speed of light! Light is the fastest thing that can be seen.
'The strangest thing I've ever seen,' is not even a complete sentence. "That is the strangest thing I've ever seen,' is a complete sentence. It could be a declarative sentence, but given the nature of the statement it is also possible to be an exclamatory sentence, punctuated by an exclamation mark.