When you experience envy, and want the pen of someone near you.
Examples of penvy:-
a) You see the person writing in biro next to you, and wish you had chosen biro instead of ink.
b) You wish you had a pen like the person next to you.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug