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2.
It's more like a slightly ruder "same to you, buddy" with a slight "your momma" connotation
In La Paz, a rude driver honks and gives you the finger. Your response might be a shouting out of "la tuya!!"
by gloria21 June 07, 2010
 
1.
Spanish for your mom

Specifically, in the insult form. "Your mom", literally, would be "tu mama", but "la tuya" carries the same sense of insult as "yo momma" in english.
La tuya, bitch

Don't you talk about my momma!
by Afakaz October 30, 2003
 
3.
Love you too
I heard this from a couple in UK. It's a secret way of saying "love you too". This couple used to say this on phone and chats when someone unwanted was around them. Let's say if I say "i love u" to my girlfriend and she has people around her she would say latuya.
by RoKa September 19, 2008