the peak of when shit goes wrong, the absoloute utmost of unfortunate events leading up to this one moment of utter cheesey horrifying stinking pile of yellow penile fungal matter found developing under the foreskin of a mans genitals
¬or it can also mean a building or area soleley dedicated to the production or manufacturing of smegma
eg - jacobs bedroom
jabcob: hai mam i need 2 shower jacobs mum: OMG!!! your room is a smeggery
jabcob: sowee mam my peepee smell
" Shegger" means thug in gangsters slang , this name is usually applied to young gang members who have killed at least 2 people & who are out from juvenil detention center or gang affiliated youngters out from jail for murder.
Old Gangsters use the term Shegger to qualify a young gang member only when the young is extremely violent, only ultra violent gangsters can use this term without being killed..