Definition of full service:
(n) :
(business, often attributive) The ability to offer many types of related service rather than a limited set of specialisms.
(n) :
(business, often attributive) Service that includes waiting on the customer.
(n) :
(radio) A radio format consisting of a mix of music with locally produced programming and segments focusing on local issues.
(n) :
(sex, euphemistic) In prostitution, full sexual activity including penetration.