(electronics, communication) Initialism of single sideband, a type of radio emission. / Initialism of social security board.

(video games) Initialism of Super Smash Brothers. / (linguistics) Initialism of Standard Southern British.

plural of SSB

(video games) Initialism of Super Smash Bros. Melee.

(US, military, nautical) Sub-surface ballistic nuclear: a nuclear-powered submarine carrying and launching ballistic missiles armed with nuclear weapons

plural of SSBN

(US) Initialism of Single Scope Background Investigation.

plural of SSBI

plural of SSBBW

Initialism of supersized big beautiful woman.