GRUNT

Pig call

• Dogface

• Emulate a hog

• Exertion indicator

• Foot soldier

• Gym sound

• Gym sound, perhaps

• Heaving sound

• Hog comment

• Hog's sound

• Infantryman

• Infantryman, in slang

• Infantryman, loosely

• Kind of work

• Lowly foot soldier, slangily

• Lowly soldier

• McJob holder

• Menial worker

• Nam GI

• Noise from little G-man

• Pen noise

• Pig sound

• Pig's noise

• Porcine sound

• Push-up sound, perhaps

• Say ugh

• Sign of annoyance

• Snapper's cousin

• Soldier, in slang

• Sound from a pig pen

• Sound from a sow

• Sound from the sty

• Sound of discomfort

• Sound of distress

• Struggler's sound

• Sty sound

• US foot soldier

• Weight room sound

• Workout noise

• The short low gruff noise of the kind made by pigs