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1.
The taste of pre-packaged, quick cook food (normally salty pasta gloop) that you wouldn't consider eating at home but which magically transforms into lick-the-plate-clean delicious during a trek or other outdoor activities.

Can be used to insult bad cooking as well, i.e. the food would only taste good when starving and desperate on a mountain somewhere.
1) Sitting near a tent

"Man this Macarooni cheese is delicious, why do I never eat it at home?"

"Trust me mate, I ate it at home once...it's only Trekalicious."
by RedRucksack June 07, 2013