Pack a Tweener - When you tell your friend to fill your bong with just enough

When you tell your friend to fill your bong with just enough weed to make you feel like you're halfway to being high but still not quite there.

Pack a tweener, I need something to get me through this boring day.

I just packed a tweener and it was like the weed was giving me the middle finger.

Pack a tweener, I need to get high enough to ignore my crush.