Definition of whatshisname in US English:

whatshisname

(also whatsisname)

noun

informal
  • Used to refer to a man or boy whose name one cannot recall, does not know, or does not wish to specify.

    ‘you look like that famous singer, whatshisname’
    ‘that guy we used to be so mad at, old whatshisname’
    • ‘He was in contention for the Open title, but faded in that strange final round with everyone else, except Whatshisname.’
    • ‘I first met whatshisname, when I spoke at the Oxford Union while he was its president.’
    • ‘Some of the women liked whatshisname.’
    • ‘That one geek, whatshisname, seemed to know enough about it to at least make sure it's working right, wouldn't he be able to explain things?’
    • ‘I am not getting all dressed up and buying an expensive gift for Karen and Whatshisname only to have a crusty bun and potato salad.’
    • ‘Whatshisname was pretty much an equal opportunities killer - if you got in the way of his mission he'd kill you irrespective of whether you were a dwarf, elf or human.’
    • ‘He recently met "whatsisname from Pulp", who he thought was very funny.’
    • ‘I'll have to admit that when I offered the use of my apartment to whatshisname, I did have the feeling that I wouldn't be needing it any time soon.’
    • ‘I bet the bottle isn't as big as it looks when whatshisname grabs it.’
    • ‘She was clearly thinking this person, whatsisname, might win: best to get all bases covered.’
    • ‘She is married to whatshisname.’
    • ‘That nice Adam whatsisname off the telly reckons I could do my accounts online anyhow.’
    • ‘Kirsten had tipped me off that whatshisname was going to cook for me.’
    • ‘What about whatshisname, the gambler, who surely ought to be in jail by now?’
    • ‘If Kenny's not on, which he won't be at that time, just tell the new guy, whatsisname.’
    • ‘It's probably the fault of that French bloke, whatshisname.’
    • ‘According to whatsisname up there any reference to him being angry cannot be motivated by observing him being angry.’
    • ‘This bit with whatshisname talking to the "people at home" about their outfits is making me uncomfortable and it isn't very funny, quite frankly.’

Origin

Late 17th century: contraction of what's his name.

Pronunciation

whatshisname

/ˈ(h)wətsizˌnām//ˈ(h)wətsɪzˌneɪm/