A pair of super annoying twins. Can be identical or fraternal.
Bob: Those twins are being annoying as fuck! Always in my shit...
Gibbs: They are just a pair of fucktuplets!
A human mother expecting a number of children at the same time that is so high (anything above quadruplets) it qualifies as a litter.
Didn’t Dave tell you? It isn’t just twins this time, we’re having fucktuplets!