1. A very small jet plane most often owned by the babymamas and divorced wives of billionaires. These jets lack basic necessities such as stewardesses and head room.
2. The opposite of Jumbo Jet
Kanye: "I've been working this grave shift and I ain't made shit. I wish I could buy me a spaceship and fly past the sky."
Don C: "Sorry 'Ye, we couldn't afford a spaceship..808 didn't sell enough. We got this jet tho."
Kanye: "Man, this babymamajet's small as hell Don C!!"