Be like a spare prick at a wedding British vulgar slang
Used when one is not comfortable in or not suitable for a situation
I was like a spare prick at a wedding in my huge new school.
I won't go to Helen's party as I don't want to be like a spare prick at a wedding among her friends.
To look absolutely ridiculous and out of place
The verb "be" should be conjugated according to its tense.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!