When you say 'wahh, lama sekali', lama is usually used in a time based 'long' context. If you're trying to say a phrase is long, then use 'panjang' instead of 'lama'. :)
And yes, mabuk literally means drunk, or mabuk laut is sea sick and mabuk udara is literally air sick, but people here generally know what jet lag is. :)