For the people who do the job (and drink the coffee).
Nurses, teachers, developers, accountants, mechanics: the joke only people in the trade get, on a personalised mug or t-shirt.
18 designs

Nurse: Coffee and Patience
Jobs3 coloursWhite mug 325 ml

Teacher: 90% Patience, 10% Coffee
Jobs3 coloursWhite mug 325 ml

Works on My Machine
Jobs3 coloursWhite mug 325 ml

Accountant: Calm Until Tax Season
Jobs3 coloursWhite mug 325 ml

It Depends. — Every Lawyer
Jobs2 coloursWhite mug 325 ml

Fluent in Doctor’s Handwriting
Jobs3 coloursWhite mug 325 ml

Hairdresser: Miracles by Appointment
Jobs2 coloursWomen's T-shirt Capri

Chef: Seasoning by Eye
Jobs2 coloursWomen's T-shirt Capri

Mechanic: Funny Noise Specialist
Jobs3 coloursWomen's T-shirt Capri

Designer: Can You Make the Logo Bigger? No.
Jobs2 coloursWhite mug 325 ml

Firefighter: Everyone Runs Out, I Run In
Jobs4 coloursWomen's T-shirt Capri

Vet: Fluent in Dog, Cat and Budgie
Jobs4 coloursWomen's T-shirt Capri

Dentist: Have You Flossed Today?
Jobs3 coloursWhite mug 325 ml

Engineer: Haven't Touched It Yet
Jobs3 coloursWhite mug 325 ml

Student: Sleep Is for After Exams
Jobs3 coloursWomen's T-shirt Capri

Weekend Farmer
Jobs4 coloursWomen's T-shirt Capri

Tech Support: Have You Tried Turning It Off and On Again?
Jobs3 coloursWhite mug 325 ml

Nursery Teacher: Superpowers
Jobs3 coloursMuxaxo juco tote bag