La bota es corta.
Boot = Bota
Very short is cortísimo/cortísima, or you can say extremadamente corto /corta.
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.
Soy bajo también.
It sounds like a short English a. Ah.
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.