Travel cock 

An unexpected erection experienced by all men during a sufficiently long period in a vehicle.

Guy 1: 'Dude, why you sat like that?'

Guy 2: 'Travel cock again'

Guy 1: 'Ah man, I had that ten minutes ago too'

Travel cock by shmurnt August 8, 2009

Travelcock 

The excitement that occurs upon a journey and turns your cock hard as a rock.

Daniel: Bro, are you excited for this road trip or what?!

Jacob: Dude, i've got the craziest travelcock!

Daniel: Steaksauce!

Travelcock by Jam Jam Ziegler January 13, 2009