To unintentionally not do, neglect.
To lose remembrance of.
To unintentionally leave something behind.
To cease remembering.
Euphemism for fuck, screw (a mild oath).
To strive, to labour in difficulty, to fight (for or against), to contend.
To strive, or to make efforts, with a twisting, or with contortions of the body.
A contortion of the body in an attempt to escape or to perform a difficult task.
Strife, contention, great effort.