This one is word of the week, possibly even the month: “insektenbestrijdingsmiddelenbesproeiingssportvliegtuigje”. Insect-resistance-medicine-spreading-sport-aeroplane. I guess the “sport” is there for the type of plane (also the diminutive -je): this word means “crop duster”.

(Thanks to David —who is also responsible for the spelling— for this one; someone told me this word before I came overseas, I promptly forgot it and have been searching for it ever since.)