look up any word, like bae:
 
8.
Rear Upper Control Arm - used to control camber and caster when lowering your car.
damn, that guy should get aftermarket RUCA's for that 240sx
by qwarnon October 27, 2009
 
9.
To fail something in dramatic amount.
THAT ASClI WAS RUCAS'D
by coprophag November 23, 2004
 
10.
the person you curl up with
ruca es la persona con quien te acurrucas
by LEBENSU October 17, 2007
 
11.
A homegirl or girlfriend.
A woman who is considered to be old.
"Call my ruca on the phone, let her know I'm home alone."

Damn, my grandma just turned 75. Ya esta bien ruca.
by Dub44018 November 03, 2005
 
12.
references to females
by VAKI5 August 18, 2003
 
14.
a pretty girl that has respect for her body.. for her culture... her life... for being her.
every latina is a ruca... in her own way
by lushuzma August 16, 2005