from oed.com
1.1570– One who runs up and down the land; a vagabond; figurative †a renegade; an adventurer.
1570 Certayne Archheretickes haue risen and sprong vp..being landlopers, schismatikes, & seditious persons.
translation of Bull Pope Martin in J. Foxe, Actes & Monuments (revised edition) vol. I. 768/1
definition of 'figurative'
Many of the responses referring to one party's rejection of another, as, for example, a girl breaking a previously arranged date with a boy, are figurative expressions of excremental activities. A boy so treated is said to have been dumped on.
Although oed only uses the form 'land-lope', it seems nowadays 'landlope' is more common. (10x more google hits)
