Shove a straw in a juicebox and suck it.
This just means "Suck It" or kind of like kiss my @**
PERSON 1 "Hey man, you were horrible at your basketball game the utha day."
PERSON 2 "You know what... Shove a straw in a juicebox and suck it."
PERSON 2 "You know what... Shove a straw in a juicebox and suck it."