Wait a second...

Used when someone realizes something. Variations include:
"wait a minute"
"wait just a moment"
"hold on for a moment"
Or just the classic "wait..."

A: Why do you think he wants so many bananas?
B: Wait a second...

Wait a second

Your talking to much maybe you should stop.

...wait a second

wait a small second

Means wait a minute like that

Mom:eating rice time!!!!
Me:wait a small second,I'm finding something.