The sudden overwhelming shock of confusion, which is sometimes shortly followed by a groan of delirium. This is sometimes referred too as a "Gammy Descention" which in some cases has been found to make people vomit.

Other words used to express this emotion are:

Gammecular, Gammful, Gammual, Gam.

Irish word for useless

Something infected, disgusting or generally dirty. Especially used to refer to injuries or disabilities.

Used in Gloucestershire, UK.

Scottish slang (Aberdonian).A blow job.

endearing word for grandmother

It basically means disgusting or minging. If an orange has gone all green with puss and stuff that would be deemed as gammy

when you see someone retarded or someone who looks retarded