S: (n) jamming, electronic jamming, jam (deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems)
Verb
S: (v) throng, mob, pack, pile, jam (press tightly together or cram) "The crowd packed the auditorium"
S: (v) jam (push down forcibly) "The driver jammed the brake pedal to the floor"