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1.
Scottish slang meaning extremly cold.
I am chanking!
I would return to Edinburgh but it's fuckin' chanking!
by Coltrane May 23, 2005
 
2.
Choking + Wanking

Having a Chank ... Chanking the chicken ...
"Charlie was cranky all day on account of a vigorous all night chanking session."

"Kill Bill fans were tonight shocked to hear of the horrific chanking death of David Carridine. Initial autopsy reports indicate that the movie star may have literally chanked his brains out."

"It's all TV dinners for me these days since the Mrs has discovered chanking!"
by big_heads June 16, 2009
 
3.
Vomiting or chundering and masturbating at the same time. Usually vomitting on to the sexual organ for lubracation
after seeing alice with no make-up tom had a brutal, sloppy chanking session
by Amy 'the Chonker' Palmer September 30, 2008
 
4.
food that is spat out
'im not eating that chanking'
by .heathen. October 30, 2006