Blunder

[Jessica]

To make a gross error or mistake; as, to blunder in
writing or preparing a medical prescription.

[Little_Girl]

A [grievous] mistake that embarrasses (or should [embarrass], at least) the [committer].

[Dianne]

to over blunder, as in cooking.
to blend your ingredients to such a state as to be [unusable].
or to [disrupt] the ingredients in another way also to [render] them unusable

[Greta]

1.) when you f something [up for] [someone else]

2.) when you f something up for yourself ([traditional])

[Greta]

A [breakfast] [meal], between the hours of lunch and [dinner].

[Mark Zuckerberg]

[Collective] [noun] for managers.

[Cami]

[Forced] anal intrusion, usually with a massive [rubber] [implement].

[Julene]

A stupid or careless mistake.

[Tina]

An accsident [prone] [person]

[PussyCat]

a serious mistake, usually caused by not taking care or thinking: