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1.
Puerto Rican slang for the police, popular in the past (between the decades of the 40's-70's). Comes from a play on the name O'Hara in reference to Irish police officers who patrolled the cities.
"Cuidao, ahi viene la jara."

"Becareful, here comes the police."
by Brujo77 November 01, 2007
 
2.
1. A super dainty, awesome, dude, legit, flower, Dudemanbro, duet who understandimates each other who often talk for hours
2. A prince and princess
3. Call and response
4. Often strikes of crazy ninja- monkey- squirrel (vise vera) in public
Hey that Jara is super pimpolitious

to the metro... to the metro
by Jara127 November 09, 2010