What is Jowler?
1.
n. Any photo taken of someone who is shaking their head from side to side to create a totally distorted facial expression.
See also:
That is the funniest jowler ever, you look so stupid in it.
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2.
n. An old-Scouse term for an alleyway or guinnel.
Lad 1 - "Ee ar lad, the busies are coming! Go and hide in that jowler."
Lad 2 - "Fuck off, nob 'ed! Your the one with the bag of smack up your arse."
See