Some userboxes I've made:

Code Result
{{User:Kevin Saff/Userboxes/PhD Dropout}}
This user is a PhD dropout.
Usage
{{User:Kevin Saff/Userboxes/Unemployed}}
$0This user is unemployed.
Usage
{{User:Kevin Saff/Userboxes/Outdated}}
This user page is disturbingly out of date.
Usage
{{User:Kevin Saff/Userboxes/Self-Referential}}
This userbox is self-referential.
Usage