A speedball jr (speedball junior) is when you make tea out of khat leaves or chew khat leaves and you chug a warm water solution of Kratom or take Kratom pills. The Kratom gives you a buzz and relaxation and energy while the khat gives you more energy and adds to the buzz. You get high off of the combo.
I drank Khat tea and chugged Kratom and now I'm high. This speedball jr is great!