3 definition by J@mes

Top Definition
To get annoyed or stressed about something
"He got really arsed up when we took the piss out of his BO"
by J@mes April 20, 2006

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to have sex with someone, Smash Her Flaps In
Im gonna take her upstairs and SHFI (said as the letters)
by J@mes October 19, 2006

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To have anal sex, to Smash Her Arse In
I'm gonna take her home and Shai
by J@mes February 08, 2008

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