A Gamble 

>Someone whom never gets a date or falls in love.

Wow, Johnny is such a Gamble.

A Gamble by B Heveron May 4, 2009

gamble on a fart 

-verb: to venture a game on the chance of an unintendid defecation when passing gas.

I tried to gamble on a fart and lost, i.e. I meant to fart and accidentally pooped in my pants.

gamble on a fart by m-o-r-o May 27, 2009

degenerate gambler on a hot streak

one whose game (sexual) has reached a peak after a long period of inactivity

I haven't gotten any in months, but I am going to fuck the bitches like a degenerate gambler on a hot steak.

degenerate gambler on a hot streak by Pat February 24, 2005

Built like the gable end o' a fiver 

Someone who is slim built like the thin end of a five pound note.

Person 1: "are you going for a run"
Person 2: "no a dinnae dae that, you dinnae need tae either, yer built like the gable end o' a fiver

Built like the gable end o' a fiver by Cami Campbell March 4, 2017