Top Definition
The first, usually very powerful, fart of the day.
'The quiet peace of the tent was shattered by Brian's morning thunder'
by ant August 04, 2004
2 more definitions
I highly audible fart experienced first thing when one awakes. Often characterised by it's lack of flavour, dry texture and longevity. Often gives a great feeling of satisfaction.
Ahhh, I feel better for that morning thunder'
by McGinty September 06, 2006
1) Inordinately great sex in the morning. As strong and powerful as a Bison.
2) A flavor of tea...to be had in the morning after having sex.
Man, I got two smashing cups of morning thunder today, Finneus.
by NotRyanReally January 25, 2004

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