To shove a large, vainy, hard, wet, dick up someone’s mum making her scream at the top of her lungs ‘I’m going to cum!!’
I’m going to shank your mum! I’ll shove my hard, vainy, large, wet dick your mum and she will be screaming ‘I’m going to cum’
by TopShagger4 September 24, 2018

by SlickWiliam March 30, 2019

relatively usefull comback to anything that is thrown at you. Usually used by people who are dumb and have trouble staying on the toilet.
Harry: Your a fucking wanker Terry!
Terry: So'z your mum
Harry: My mum is dead Terry
Terry: So'z your mum, aww look i fell off the toilet
Terry: So'z your mum
Harry: My mum is dead Terry
Terry: So'z your mum, aww look i fell off the toilet
by fuck_ma_arse_ah April 26, 2009

Gamer: Ya Mum Gey
You: What!
Gamer: I saw your mom fingering herself in the corner while watching lesbian porn
You: What!
Gamer: I saw your mom fingering herself in the corner while watching lesbian porn
by BigHi123 June 13, 2018

A phrase used to put pressure on the person who is about to focus or carry out an important action, in 90% of cases resulting in the person performing an epic fail.
The term is so useful as there is not a single person on the planet that will not get intimidated by a mother's look of disapproval and even a thought about your mother watching you fail makes you nervous as hell, so you will almost certainly cock up whatever important thing you are doing.
The term is so useful as there is not a single person on the planet that will not get intimidated by a mother's look of disapproval and even a thought about your mother watching you fail makes you nervous as hell, so you will almost certainly cock up whatever important thing you are doing.
Jack: *tries to take a penalty shot*
Troll: Your mum's watching!
Jack: *feels nervous and pressurised, then realises that mum is not really watching* Fuck Yeah.
*still misses penalty*
Troll: LOOOL
Troll: Your mum's watching!
Jack: *feels nervous and pressurised, then realises that mum is not really watching* Fuck Yeah.
*still misses penalty*
Troll: LOOOL
by no_this_guy March 3, 2011
