An old man, old enough to be a dad who looks like a lad because of what he is genuinely wearing, such as a polo nautica shirt, short shorts and white hat, usually seen after sailing his boat or playing golf.
lad 1: esh bra lets fuck this dude up
lad 2: naah bra he aint bombin our train line, his just a lad dad
lad 1: wtf is a lad dad
lad 2: look it up on urbandictionary braaa. eshay