1. Completely loosing it. (often, but not necessarely under the influence of alcohol)
2. Literally just landing on the floor.
To fall into one's tomatoes: "Yesterday I drank to much wine and whilst trying to get in bed I fell completely into my tomatoes."
A euphemism for committing suicide by jumping off a high place, originating from the visual of a tomato splattering on the ground after falling.
"I moved out of that city 'cause it had too many cases of falling tomatoes."