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See #q45463 for a related question, and as a shortcut, see ROSCon 2012 - Lightning Talks - What does rosawesome do? for probably a rather authoritative source.

See #q45463 and #q277428 for a related question, questions, and as a shortcut, see ROSCon 2012 - Lightning Talks - What does rosawesome do? for probably a rather authoritative source.

See #q45463 and #q277428 for a related questions, and as a shortcut, see ROSCon 2012 - Lightning Talks - What does rosawesome do? for probably a rather authoritative source.source (spoiler: they're Spaceballs references).

See #q45463 and #q277428 for a related questions, and as a shortcut, see ROSCon 2012 - Lightning Talks - What does rosawesome do? for probably a rather authoritative source (spoiler: they're Spaceballs references).

See #q45463 and #q277428 for a related questions, and as a shortcut, see ROSCon 2012 - Lightning Talks - What does rosawesome do? for probably a rather authoritative source (spoiler: they're Spaceballs references).

Edit:

I asked if suck2blow a reference to something. Like an easter egg. something.

Yes. Again, to Spaceballs: Spaceballs "Mega Maid" scene.

What's the meaning of suck2blow [..]and why is it linked with rosbag play?

Mega Maid is (from Mega_Maid):

Mega Maid is the transformed version of Spaceball I. It is shaped like a woman with a vacuum cleaner. The vacuum can both suck air out of a planet's atmosphere, and blow it back into an atmosphere. It appears very powerful, since it can clean a mountain of snow, and pull a forest's trees straight out of the ground (and put everything back neatly if set in reverse).

[..] why is it linked with rosbag play?

So rosbag first 'sucks' (records) and then 'blows' (plays back).