leer, neigh, snoot, wrinkle, grin, scoff, snerk, snort, scowl, smicker, more...

compliment, praise

derisive, sardonic, mocking, sneering, supercilious, snide, snarky, sneaky, more...

slight, contemptuous, bitter, ugly, cold, little, covert, faint, malicious, half, perpetual

sarcastic laugh,   mocking laugh,   evil grin,   say mockingly,   mean laugh,   express contempt,   laugh sarcastically,   laugh mockingly,   scoff laugh,   look of derision