fellatrix
From LSJ
ἀλλὰ σὺ μὲν νῦν στῆθι καὶ ἄμπνυε → but you, stop now and catch your breath | but do thou now stand, and get thy breath
fellātrīx, tricis, f. (Femin. zu fellator), die Saugerin, im obszönen Sinne, Corp. inscr. Lat. 4, 1389 (wo felatrix) u. ibid. 4, 2292 (wo felatris).