swear down
Avancé (C1) slang
To promise very strongly that something is absolutely true, especially when someone doesn't believe you.
"'You actually met him at the café?' 'Yeah, swear down, he was just sitting there on his own.'"
To promise very strongly that something is absolutely true, especially when someone doesn't believe you.
"'You actually met him at the café?' 'Yeah, swear down, he was just sitting there on his own.'"