jambloat

To jambloat means to jam very badly, and in an easily avoidable way. This includes getting many wrong submissions, failing a problem due to a silly mistake, or taking a long time to do something.

Also a synonym for jam.

A jambloat also refers to a behaviour in a language that you would not expect, thus leading to mysterious bugs.

I jambloated on div2B for 90 minutes and 35 wrong answers because I forgot to consider the common c++ jambloat: the size of a vector is unsigned. This caused an overflow error which made the program jambloat.

megabloat

A megabloat is a larger jambloat. It means a mistake or bad performance with grave consequences, or a large mistake.

I megabloated my circuit so badly yesterday. Dropping it in water, it went up in magic blue smoke.

megabloat

A bigger jam than a jambloat, below a gigabloat
Can refer to programs which do not run correctly for a long time

This code works on all the small inputs, but then starts megabloating whenever the logic error is crucial to the execution.