1 definition by phanatic1024

When your parent or guardian suspects, or is currently on the lookout for any signs of marijuana use. This usually happens after getting caught by your parents.
Brian: "Can we chill at your house tonight?"
Scott: "Naw man, my mom is on high alert tonight"
Brian: "Ahh...that sucks"
by phanatic1024 February 28, 2010
Get the High Alert mug.