Its crazy dave coulthards catchphrase featuring a big swearword so probably shouldnt be worn when visiting your grandparents t shirt design reads crazy dave stays och aye tha noo muthafuckasour crew neck short sleeved mens t shirts are 100 premium cotton in a soft pre shrunk jersey knit our womens t shirts are lighter weight 150g tees made with deluxe 30s soft style yarns for a soft feel