Dad noises
A tiny, sudden 'Uh' that slips out when you're bending over, like your dad just got caught doing something embarrassing.
He let out a 'Uh' when he bent over to tie his shoe, like he was hiding a secret.
He said 'Uh' while bending over to pick up a sock, like he was about to confess to murder.
He made a tiny 'Uh' when he bent over to grab a beer, like he was hiding a tattoo.