laugh in (someone's) face

to show someone that you do not respect them and do not think their ideas are important.

He asked them to put out their cigarettes but they just laughed in his face.

• go the full distance
• go the whole hog
• go the whole nine yards
• go thin on top
• go through
• go through fire and water
• go through hell
• go through hoops
• go through like a dose of salts
• go through like a hot knife through butter
• go through like a knife through butter
• go through someone like a dose of salts
• go through something like a dose of salts
• go through something like a hot knife through butter
• go through something like a knife through butter
• go through the floor
• go through the mill
• go through the motions
• go through the roof
• go through the wringer
• go through with
• go through with something
• got it bad
• Got it in one!
• go to any lengths