Slang for male genital rash. Origin believed to be derived from the colloquial abbreviation of "sac herpe warts" or the informal phonetic pronunciation of "sac hurts". Modern usage applicable to any irritation of the gonads.
Look at Vinny squirm in his seat. He must have some contagious zachertz in his pants.
I banged Phyllis last night. I must have caught some raging zachertz.
Damn, my sac ertz.
By courting Milly, Chip was begging for a second round of the zachertz.