Rule 34 Dev - anthro big_glasses cheek_tuft clothing dialogue equation eyewear facial_tuft fluffy fur gesture glasses green_eyes hand_gesture infodumping jacket looking_at_viewer male math nerd open_mouth pawpads paws pink_background pointing round_glasses simple_background smile solo speech_bubble text tongue topwear tuft wall_of_text white_body zlut385 broch domestic_ferret mammal mustelid musteline true_musteline weasel 4:3 colored digital_media_(artwork) pixel_(artwork)|17715525275