British & Australian, very informal

an offensive way of referring to someone who is very short.

Yeah, well, I might be fat but at least I'm not a short-arse!

Come here and say that, short-arse!

• under something's thumb
• under the banner of
• under the banner of something
• under the circumstances
• under the counter
• under the gun
• under the influence
• under the knife
• under the skin
• under the sun
• under the table
• under-the-table
• under the weather
• under the wing of
• under the wing of something
• under the wire
• under thumb
• under wing
• under wraps
• under your belt
• under your breath
• under your nose
• under your own steam
• under your wing
• until are blue in the face