The word peleabas is the imperfect form of pelear in the second person singular. There are other translations for this conjugation.
See the full pelear conjugation

pelear

Los testigos dicen que te peleabas con un hombre en el puente.
Witnesses say you were fighting with a man on the bridge.
No sé, porque peleabas todo el tiempo.
I don't know, you were fighting all the time.
Y por qué te peleabas ahora con mi abuela?
And why did you quarrel now with my grandmother?
Recuerdo cómo te peleabas todo el tiempo.
I remember you getting into fights all the time.
Y recuerdo que peleabas con ella.
And I remember you fighting with her.
Entonces, ¿por qué peleabas ahora mismo?
So, why were you fighting just now?
Parecía que peleabas, hacia el final.
You looked like you were struggling at the end.
Desde que eras niña, peleabas por lo que creías.
Ever since you were a little girl, you fought for what you believed in.
Sabía que peleabas por mí.
I knew you were fighting for me.
¿Crees que peleabas por nosotros?
You think you fight for us?
Dime, ¿por qué peleabas?
Tell me, why were you fighting?
Antes peleabas con tus enemigos.
You used to fight with your enemies.
Quiero decir que tú aún te peleabas con ese juguete cuando tenías cuatro años.
I mean, you were still struggling with that toy when you were four.
-¿Por qué peleabas con ella?
Why were you fighting with her?
¿Te peleabas con alguien?
Were you fighting with someone?
Tú no peleabas bien cuando eras niño?
You didn't fight well when you were little?
Creí que eso era cuando te peleabas.
I thought that was when you bit somebody!
Tú también peleabas por ella.
You were fighting for her, too.
¿Por qué cosas peleabas?
What were you fighting for?
¿Cuál era la razón por la cual peleabas tanto?
And I was wondering what was the... what was the reason, you know, for all this fighting?
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