keel over
Intermédiaire supérieur (B2) informal
To suddenly fall over or tip sideways, like when someone faints.
"It was so hot at the outdoor concert that two people keeled over and had to be helped off the field."
To suddenly fall over or tip sideways, like when someone faints.
"It was so hot at the outdoor concert that two people keeled over and had to be helped off the field."