I found these on a TOM CORBETT, SPACE CADET fan sight. Some nice space slang.
Space happy - Slap happy
Plug your jets! -- Shut up!
Rocket liners, space freighters, jet scouts, spacers -- Types of space ships
Space Ace -- A crackerjack space pilot
Blast me for a martian mouse! -- Boy, am I a dope!
Cut your jets! -- Lay off!
Stand to! -- Attention! (an order)
Rocket-ranger -- Space cowboy
You've been drinking jet juice -- You're off the beam
Speak of Saturn -- Speak of the devil
He's as unstable as a heavy isotope -- He's "teched" in the head
Blow up some meteor dust -- Paint the town red; "meteor dust" is also a handy expression for "hot air" or "baloney"
Space hobo -- An unidentified meteor
Get those firecrackers popping! -- Get those jet engines working!
Spaceslug, spacecrawler, neptunian gnat -- (as in "You worm, you!")
By the moons of Jupiter!
By the rings of Saturn!
By the clouds of Venus!
By the craters of Luna!, etc. -- These expressions indicate surprise ("Well, for Heaven's sake!"), anger ("Darn it!"), or amazement ("Gee whiz!")
Space station -- Rocket ship airport
Blast off! -- Scram!
Spaceman's luck! -- Good luck, Luck o'the Irish!
The Big Empty -- Outer space
Ground pounder -- Planet-bound person
Spacer -- A person who makes his living working on spaceships
Railing - Sailing through space, This refers to the use of a linear proton accelerator (a railgun) to propel a ship through interplanetary space