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Phrase. To be seriously, dangerously and hilariously drunk.

Not location-specific; out with friends, on a date, at work - nowhere is safe from one of the lads getting a full head of steam up and running riot.

Interchangeable with;
- Massive Head Of Steam Up
- Fully Steamed

Superlative;
- World Record Head Of Steam Up
- Hey, did you see Ross last night?

- OMG yeah, he had a full head of steam up - I think he got arrested!
- What for?
- Everything...
by J.Manstrong January 02, 2017
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2
Phrase. To be seriously, dangerously and hilariously drunk.

Not location-specific; out with friends, on a date, at work - nowhere is safe from one of the lads getting a full head of steam up and running riot.

Interchangeable with;
- Massive Head Of Steam Up
- Fully Steamed

Superlative;
- World Record Head Of Steam Up
- Hey, did you see Ross last night?

- OMG yeah, he had a full head of steam up - I think he got arrested!
- What for?
- Everything...
by J.Manstrong January 02, 2017
Get the mug
Get a Full Head Of Steam mug for your dog Manley.