Plumber Rules to Live By Shirt | Funny Plumber & Blue Collar Tee

Lightweight and comfortable, this classic crew tee carries a bold, trade-pride design made to be worn on and off the job. The artwork on the back reads like a well-loved signboard—tools, piping details, and hand-lettered rules that celebrate life as a plumber—while a small matching emblem sits over the heart. The breathable 4.3 oz fabric and clean crew neckline keep the shirt feeling easy and unfussy, so it layers well under work jackets or stands alone at weekend barbecues. Sleeve prints are applied with DTF for durable, vibrant color that holds up through washes. Subtle ribbed collar and shoulder tape keep the tee’s shape, while side seams give it a tailored silhouette that stays neat after repeated wear.

Three rules every plumber learns sooner or later. The Blue Collar Trash Plumber Rules to Live By shirt is made for plumbers, pipefitters, tradesmen, and blue collar guys who know there’s a lot more to the job than turning a wrench.

Featuring our rugged vintage plumber artwork and three rules worth remembering:

#1 — Crap Rolls Downhill
#2 — Payday’s Friday
#3 — Don’t Bite Your Fingernails

It’s a funny plumber shirt built around old-school trade humor that guys in the business will understand immediately. Wear it on the job, around the shop, after work, or give it to the plumber who’s probably repeated these rules more times than he can count.

Design Details

• Plumber Rules to Live By back graphic
• Vintage plumber and pipework artwork
• Classic blue collar trade humor
• Rugged, distressed BCT styling
• Great gift for plumbers, pipefitters, apprentices & tradesmen
• Original Blue Collar Trash design

Shirt Details

• Lightweight 4.3 oz cotton
• Comfortable everyday fit
• Ribbed crew neckline
• Shoulder tape for added durability
• Side seams to help maintain shape
• DTF printed artwork

Care Instructions

• Machine wash cold
• Tumble dry low
• Do not bleach
• Do not dry clean
• Iron on low heat if needed

Crap rolls downhill. Payday’s Friday. And whatever you do—don’t bite your fingernails.