Rubber side down
Phrase used meaning you did not fall over. Comes from the understanding that rubber is the material on the bottom of your shoes.
Friend- Dude, you were white girl wasted last night!
Friend 2- At least I kept it rubber side down.
Friend 2- At least I kept it rubber side down.
keep the rubber side down
cycling slang for 'be safe'
on your next ride be sure to keep the rubber side down!