When the erect penal object of a man is dipped in beach sand and his girlfriend gives him a blowjob, usually while still on the beach. Named after Sandy Koufax the pitcher for the Dodgers in the mid 50's through the mid 60's.
Jeff received an epic sandy coufax from his girlfriend who chipped a tooth in the process from blowing his sandy dick.
by Yobungus1337 August 23, 2010