Because B-shells are too small and D-shells are too big!
Drops it like it's hot.
Because Chernobyl fallout
What did the bra say to the hat? You go on ahead and I'll give these two a lift.
Her GPA was unda da C.
Because B-shells are too small, and D-shells are too big.
Seashells
Because she outgrew her B-Shells. Ha...
Because a and b shells are too small.
Because "B" shells are to small and "D" shells are too big.