snirt /snɜː(ɹ)t/noun 2verb 1forms 3 noun2 •(US, Canada) Snow that is dirty, often seen by the side of roads and parking lots that have been plowed.We then have what we call ‘snirt’ storms. — 1975 •(Scotland) A suppressed laugh; a sharp intake of breath. verb1 •(Scotland) To give a suppressed laugh or sharp intake of breath."He grins, and snirts, and thraws ye ken — — 1833 formssnirted · snirting · snirts