Jammer

[Greta]

A transmitter used for jamming signals.

[Justin Bieber]

[A heart] [attack].

[Dianne]

The point scoring position in rollerderby. she [earns] points by passing the [opposing teams] [blockers].

[Dave Paprocki]

To [simultaneously] [wank] whilst [taking a dump].

[Jessica]

[Irish] [Origin]; [means] car

[Sarah]

one who takes part in a [jazz] [session]; [jazzman].

[Kit]

[Slang] for [a joint].

[Vania]

A stool so large that jams the [plumbing] in a public [crapper], causing an [overflow] state.

[Mary Mallozziberg]

a device that stops a signal from reaching someone or something: