Trail Bail 

When a girl leads on a guy and then bails on any of the plans the guy has made would result in the term trail bail. Can happen to both sexes but mostly happens to men

Guy: Hey wanna hangout at the beach
Girl: No Im busy
<Guy phone calls to friend right after conversation with girl>
Guy: Hey this girl keeps leading me on but never wants to be together alone.
Guy Friend: It's because she is a trail bail and doesn't want you.
Guy: What a bitch

Trail Bail by theunhappyguy July 10, 2011

Trailbilly 

A man, born and raised in the upper rogue region of Southern Oregon particularly in and around the city of Trail ( postal zip code 97541) synonymous with clever and crafty outdoorsmen, country boys, rednecks, moonshiners and outlaws. See also "Traillily" as the female form..

Those Trailbillys sure know how to snag salmon but Traillilys build the best bonfires.

Trailbilly by Rebeloutlaw1778 August 17, 2016