Euphemism describing the act of defecating, metaphorically speaking. Otherwise known as taking a good hard shyte for oneself. This particular expression is used when the excrement is of a particularly large and solid nature.
Advising one of the lads to try to woo a lady of the larger variety back to your house while reminding him not to let her stay around too long after ye have the job done. Can also be used in other situations where you want someone to go away quickly or get a job done fast.
