used to replace the term sucks balls, due to the fact that you will inevitably suck on more straws than balls in your life time.
Guy 1: Dude, I just failed my math test and got hit by a truck!
Guy 2: That sucks straws!
Girl 1: Last night Bobby's mom walked in on us and then tried
to kill me with her frying pan!
Girl 2: That really sucks some straws.