WATCH: Diego Luna Teaches Conan O'Brien Español

Luna then went on to teach O’Brien the expression “no mames.”

“Literally it means ‘do not suck’ or ‘don’t suck it’ like the lollipop obviously,” Luna said.

“Don’t suck that lollipop!” Conan said. But Luna was clear to explain that you never use that expression with kids.

We won’t spoil the rest for you – it’s really funny. Watch below: