Top definition
4/20 blazing is when students smoke marijuana after school. The number 4/20 represents the time after school when the students would smoke.
Student a: At bro, we about to go celebrate after school. Coming or nah?

Student b: We gonna be 4/20 blazing?

Student a: Of course.
by Robbie_ April 18, 2014
Get the mug
Get a 4/20 blazin mug for your daughter Sarah.