[uncommon, U.K.; originally a serendipitous
typo in 1994] A pointer to a function in C and C++. By association
with sub-atomic particles such as the neutrino, it accurately
conveys an impression of smallness (one pointer is four bytes on
most systems) and speed (hackers can and do use arrays of functinos
to replace a switch() statement).
fandango on core n.
[Unix/C hackers, from the Iberian
dance] In C a wild pointer that runs out of bounds, causing a
core dump, or corrupts the malloc(3) arena in such
a way as to cause mysterious failures later on, is sometimes said
to have `done a fandango on core'....
aliasing bug: n. A class of subtle programming errors that can
arise in code that does dynamic allocation, esp. via
`malloc(3)' or equivalent. If several pointers address
(`aliases for') a given hunk of storage, it may happen that the
storage is freed or reallocated (and thus moved) through one alias
and then referenced through another, which may lead to subtle (and
possibly intermittent) lossage depending on the state and the
allocation history of the malloc {arena}....