For checking the transcript:
Level up:
 means to be honest or direct with them, especially about something difficult or uncomfortable. It’s about putting all the cards on the table and being transparent.

Examples:
1- Many fans appreciated when the actor leveled with them about their struggles with mental health, saying it was important to speak openly about such issues.
2- My little brother leveled with me and confessed he ate the last slice of pizza—I appreciated the honesty, but I was still mad!