I think my drink was spiked?

Anonymous
So I am underage and I know that. But I recently turned 17, and last night I went out to a party with a few friends, and my boyfriend. We were just going to have a few drinks and then leave, so I thought I'd keep my alcohol level to a minimum. I had 2 drinks (alcoholic) and started to feel really sick in the stomach, which is unusual for me, as I am quite tolerant to alcohol. Anyway, I started to throw up and I had a really, really big headache. I also noticed some guy had been staring at me from across the room I was in at the party. I told my boyfriend I wanted to leave, and he drove me back to his house. As we were walking in the door I blacked out and next think I know I'm on his bed and he was freaking out. I told him I was fine, so we went to sleep. Today when I woke up I had an overly big hangover, which doesn't make any sense considering I only had two drinks. I'm a little confused, and a friend mentioned some of my symptoms could be linked to drink spiking. Is that possible?
I think my drink was spiked?
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