I'm not quite sure what you mean by BLOW BACK. The silver streak is not designed to "BLOW BACK"
If it is then you may have a bad seal and it needs to be repaired. I suggest you contact Crosman ( they own Sheridan) Crosman has a home page and contact number at the bottom.
Blow your back out means someone wants to have amazing sex with you that will be so good that you'll injure your back.
A blow to the back used primarily with infants to clear airway obstructions, in that abdominal compressions are dangerous with infants.
Cork Screw Blow do more damage.
B. Eggleton has written: 'Blow by blow' -- subject(s): Brass bands, History, Shrewton Silver Band
Right back, 20 Stacks, Blow out your back
bare back blow job
you need a bomb tower to blow them up
vision
no
Check the colant level, it may be low.
Guy Fawkes
Pull back your tongue I think.