La bota es corta.
Boot = Bota
Very short is cortísimo/cortísima, or you can say extremadamente corto /corta.
Soy bajo también.
It sounds like a short English a. Ah.
Do you mean the boot of a car, 'the sack' ('given the boot'), the things soldiers and workmen wear, the things huntsmen wear...? Please be more specific.
You can say "motocicleta" or "moto" for short. Remember that it is "la moto".
Soy bajo/a (male/female)
Sra. (short for señora)
Mi novio es bajo.
Estoy bajo
algo corto/a (male/female)
The "roper" is a way to call short boot style sneakers.