Top Definition
A completely retarded way of spelling 'using'.

Some people haven't been blessed with grade 3 English skills, thus can't tell the difference between 'u' and 'you'. In many cases people use 'u' instead of 'you' to save time, but some people are so fucking stupid that the do vice verse.

If you see anyone stupid enough to use the word 'yousing', please direct them to this webpage.
I'm a fucking idiot for not yousing my brain to learn basic english
by David Mcnick March 27, 2011
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