A growth on the artery wall is 'choking off' the blood supply.
He was 'choking back tears' as he talked about his late wife.
She 'choked' to death. = She died by 'choking'.
(..) here at Sunnyside, we've got, well, just about anything a toy could ask for. Spare parts, superglue, and enough fresh batteries to choke a Hungry Hungry Hippo. -Think you're gettin' old? -Wow. Well, stop your worryin'. Our repair spa will keep you stuffed, puffed, and lightly buffed. (..)2010 Toy Story 3