Top definition
1. a G who has no compuction about leaving the hood to engage in his/her G-ish activities

2. a prime specimen among gangstas - one who displays superb athleticism, intellect, control and durability

3. a particularly thuggish gangsta

4. a G who somehow managed to get himself into outer space

5. a term used for someone who is really high
"What's up, gangstronaut?"
by David December 31, 2004
Get the mug
Get a gangstronaut mug for your barber José.