Cheeser
Featured in The Déise Dictionary
A skimming of the fingers in a whipping motion over an unsuspecting friend's arse.
Yeeeaaaoooowwww!!! Ye feckin cuncha, whatcha give me a cheeser for? Now I'm gonna hafta bayte de feckin' head offa ye!

Greetings, from one gentleman to another. Would you like me to translate 'Cheeser' in use for you?
Yeeow! You dreadful scoundrel, whatever did you whip my posterior for? Now I shall be obliged to thrash you soundly!
Any good?