Whoa!

-exclamation

1.used to express surprise, interest, or alarm, or to command attention. “whoa, that’s huge!”

2.used as a command to a horse to make it stop or slow down, or to urge a person to stop or wait. “whoa, hold on a minute, Fred!”

OR ANY other possible meanings

• Something unexpected, making you say “Whoa”
• Something surprised you
• Something make you feel _________
• Others