What is Tstu?
1.
Too Stupid To Use. Mainly used when describing a person who is too stupid to use a computer or the internet.
After my TSTU grandmother couldn't find the power button her PC I told her to box up the computer and take it back to the store.
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Random Words:
1.
The sores one gets at the corners of the mouth from the sharp plastice edge wrapping when sucking the ice in of an Otter Pop.
Girl: Ugh..