What is Shufty?
1.
To have a glance or to look at.
"Be sure to have a good shufty at the pre-nuptial agreement you're signing."
See
2.
The English form of shufti (arabic for look / take a look)
Originally RAF but later Army also, shufty or shufti became taking a look for possible dangers.
Back home, it was used simply for having a quick look (Am. checking out)
"Whilst researching ships I came across an interesting site and took a quick shufty"
"Take a shufty at this URL" (Am. Check it out)
See
3.
To masturbate, (usually a male wanking).
A person who has a "shufty" is known as a "shufter".
Dude had a quick shufty in the bushes while drooling over G's ass.
See