Brit slang for begging stuff, usually used to refer to policemen extracting low-value goods or services (cf. mooching)
Local businesses hated Constable Dixon; he was always coming round mumping free meals and cups of tea.
by El Biero April 14, 2006
Get a fresh, woman's dead body. One person put's their mouth on the vagina and then another person jumps on the stomach then the juices will flow into the first person's mouth.
Where you there when Teqwan and Octavio were mumping?
by Terrible Matador October 24, 2010