A 'swall rat' is someone who constantly is drinking alcohol, their 'swall.' A Northern Ireland slang word, used amongst younger people. When people call others a 'swall rat' it is usually taking the piss but can be used seriously. Also see 'swall demon.'
1. Oh my word, you had one beer? You swall rat!
2. She's a complete swall rat, she was just swallin' on her swall all night long.
The word 'tenk' is an adjective coming from the word 'tank' meaning well built or 'buff.' When said the 'en' sound is drawn out.. like 'tennnnkkk.' It is usually said to take the piss out of someone who isn't 'tenk' at all.
Rugby boy #1: Oh that hockey boy is sucha tenk.
Rugby boy #2: Oh yes I hear he can bench 2kg!
Girl: I'll fight you!
Boy: Don't scare me babe, you are quite the tenk!