| Private Perks is a funny little codger with a smile
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| A funny smile
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| Five feet none, he’s an artful little dodger with a smile
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| A funny smile
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| Flush or broke, he’ll have his little joke
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| He can’t be suppressed
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| All the other fellows have to grin when he gets this off his chin
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| Hey!
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| Pack up your troubles in your old kit bag
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| And smile, smile, smile
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| While you’ve a Lucifer to light your fag, smile, boys, that’s the style
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| Whats the use of worrying?
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| It never was worthwhile, so
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| Pack up your troubles in your old kit bag
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| And smile, smile, smile
 | 
| Pack up your troubles in your old kit bag
 | 
| And smile, smile, smile
 | 
| While you’ve a Lucifer to light your fag, smile, boys, that’s the style
 | 
| Whats the use of worrying?
 | 
| It never was worthwhile, so
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| Pack up your troubles in your old kit bag
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| And smile, smile, smile
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| Private Perks went a-marching into Flanders with his smile, his funny smile
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| He was loved by the privates and commanders for his smile, his funny smile
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| When a throng of Germans came along
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| With a mighty swing
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| Perks yelled out
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| «This little bunch is mine! | 
| Keep your head down, boys, and sing»
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| Hey!
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| Pack up your troubles in your old kit bag
 | 
| And smile, smile, smile
 | 
| While you’ve a Lucifer to light your fag, smile, boys, that’s the style
 | 
| Whats the use of worrying?
 | 
| It never was worthwhile, so
 | 
| Pack up your troubles in your old kit bag
 | 
| And smile, smile, smile
 | 
| Pack up your troubles in your old kit bag and smile, smile, smile |