umpty-umpth

AND umpteenth [“ampti-”ampG AND “amp”tintG] mod. thousandth, billionth, zillionth, etc. (Represents some very large, but indefinite number.)

□ This is the umpty-umpth time I’ve told you to keep your dog out of my yard.

□ This is the umpteenth meeting of the joint conference committee, but still there is no budget.