swear down
To promise very strongly that something is absolutely true, especially when someone doesn't believe you.
Meanings
To insist very emphatically that something is true, especially when the listener is skeptical.
"'You actually met him at the café?' 'Yeah, swear down, he was just sitting there on his own.'"
Used as a standalone exclamation to assert one's honesty or to express emphatic agreement that something is true.
"'Did he really say that?' — 'Swear down! I couldn't believe it either.'"
Primarily British urban slang, especially London. Common among younger speakers and in informal conversation. Used as an emphatic assertion of honesty when the speaker feels they are not being believed. Often used as a standalone exclamation: 'Swear down!'
Commonly used with
Forms
Understand "swear down" better
Real video examples
Video examples are being collected. Check back soon.
Want to master this phrasal verb?
Practice "swear down" on Looplines