Go ahead
Meaning: to start to do something, something that you say to someone to give them permission to do something or let it start. Do it!
Example: Can I borrow your book? - Yes, go ahead. Do you mind if I take the last cookie? - Go ahead! I've had enough.
Example: Can I borrow your book? - Yes, go ahead. Do you mind if I take the last cookie? - Go ahead! I've had enough.
