When the trousers/shorts/leggings of a person ride up into ones crack, resulting in a clearly visible outline of the persons butt crack. This can usually be seen on buses or other forms of public transport.
It origionates from the word 'cameltoe', but is the 'back' variation because it isn't asociated with the 'front' (vagina).
'I saw an epic bameltoe on the bus the other day, you could proper see the guy's butt crack!'
'Thats awesome, you should have taken a photo!'
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
A:*gah*
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.