Sagitarius A - Billy F - T-Shirt Size:L ✔ Perfect gift for engineers

✔ Perfect gift for engineers & glasses wearers

Subtle double meaning without being explicit

This “Charge Oil Revolt Repeat” shirt features a distressed illustration of a rebelling robot proudly waving a flag marked with an anti-human symbol — a crossed-out human head

The universe is mostly made of dark matter — but this one’s made of dorks

Sagitarius A - Billy F - T-Shirt Size:L ✔ Perfect gift for engineersSagittarius A Billy F Funny Science T ShirtTop of the galaxy class meets bottom of the grading scale. This clever science pun tee compares Sagittarius A (the Milky Ways supermassive black hole) with poor Billy F, who clearly didnt pass his test. Perfect for science nerds, teachers, students, and anyone who appreciates cosmic humor and a solid F grade joke. Printed on soft, premium Gildan 64000 cotton durable, comfortable, and galaxy approved.