Fish Slice 

A man (usually a long term friend) acting as a boyfriend for a lesbian woman who wants to keep up the pretence of heterosexuality.

Have you heard Amanda is now dating her friend Tony?

No way, he's a total fish slice for her

Fish Slice by Phoenix light September 21, 2019

Who sliced the fish? 

This is the companion piece to "Who cut the cheese?" ."Who sliced the fish" is used when someone detects a queef.

We were sitting at the dinner table about to enjoy a nice pot roast when the foul stench of expired tuna wafted about the tablet.I glared at my sister and asked,"Who sliced the fish?"

Who sliced the fish? by wolfbait51 May 28, 2011

fishslice

To forcefully insert ones entire flat hand into the vagina (fingers first) in a one swift, fluid motion.

A sexual manoeuvre only for seasoned veterans and not for the feint hearted.
Clitoral stimulation can then be applied with rotations of the thumb.

Carl gave Sophie a fishslice. She then gushed.

fishslice by the diddler March 14, 2015

fishslice

A spatula-like cooking implement with holes in, used for flipping fish and frying other things.

Bob: 'My spatula just won't turn that fish!'
Bill: 'Use a fishslice!'

fishslice by BlueFladoo July 24, 2006