Lyric discussion by smallard 

Cover art for Suspect Device lyrics by Stiff Little Fingers

I might be wrong but I've always assumed that the "Sus-sus-sus-sus-pect device" chorus was a reference to the highly controversial "sus laws" that were in force in the UK in the late 70s/early 80s. Essentially, you could be arrested if a police officer merely suspected that you might be thinking of committing a crime. Yes, seriously...(the law was repealed in the 80s)

@smallard Thanks for the interpretation! I was just 4 years old, when this song was published, luck of late birth! This is one of the greatest punk songs I like!

Funnily when I first heard this, I thought of a Smartphone as a suspect device (because I thought it might be of the last decade, as a post punk song, Spotify knows me better than I myself, there is so much music out there which still needs to be discovered....). But the law in UK in the early Thatcher years was completely bullshit. I have the feeling today the liberty or...

@smallard A "suspect device" was a phrase used during The Troubles. It refers to a bomb. In these lyrics it symbolizes the singer as a "suspect device". A man so angry about the situation he is a bomb about to explode.

@smallard Hi mate, nope, I grew up in NI during the Troubles conflict there, and a "suspect device" was any concealed object which might be a bomb. The termin originated in N Ireland during the Troubles. It was commonly used in news reports of the period in N Ireland, e.g., "The centre of X town was sealed off by the army while attempts were made to defuse a suspect device". Jake Burns' deliberate stammering was just something done for effect, in the best rock tradition of e.g. The Who's deliberate stammer on "My Generation"...