in Toronto Ontario, this phrase has begun to spread rapidly. The phrase essentially means don't try to talk if you can't walk the walk.
Note: There is no stress
in the words
boop and poop...when pronounced sounds more
like bewp and pewp
situation...Someone claims they can bench press 300 pounds when
in reality they can only do 200...Response
would be: Yo...don't boop if you can't poop.