double cross
verb(dou-ble-cross)
to deceive by double-dealing : betray
double cross
noun(dou-ble-cross)
an act of winning or trying to win a fight or match after agreeing to lose it
double cross
noun(dou-ble-cross)
an act of betraying or cheating an associate
double cross
noun(dou-ble-cross)
a cross between first-generation hybrids of four separate inbred lines (as in the production of hybrid seed corn)