retard happy 

Being extremely happy, more happy than the norm, happy like a retarted person (flapping of the hands etc)

man i got laid last night
shieet you must be retard happy

retard happy by mithereal January 14, 2008

retard happy 

In it's essence, an orgasm. You feel so good and so happy but you can't explain it, it's just good.

Man, she made me feel so good last night, I was like retard happy.

retard happy by theamazingsquid March 11, 2012